PERFORMANCE KNEE SLEEVES

Engineered knee compression that wont let you down. 

PERFORMANCE KNEE SLEEVES

Engineered knee compression for serious training.  

We back our sleeves.
If you don’t love them, you’re covered.

12-month product warranty 

We don’t expect issues, but if one shows up, you’re covered. Protected against rips, tears & manufacturing defects

30-day free returns

Sizing issue? Not happy? Send back within 30 days for a free refund or exchange  

HIGHEST QUALITY AT GREAT VALUE

No shortcuts on quality. No unnecessary markups. Just hard-wearing, competition ready sleeves. 

FREE UK SHIPPING

Spend over £40.00 to get free UK tracked shipping arriving within 2-4 days

Black Mammal Strength V3 7mm knee sleeves made from neoprene, designed for weightlifting, squats, powerlifting and heavy lower-body training, sold as a pair
Mammal V3 7mm Knee Sleeves
Joint protection and pain relief benefits of Mammal Strength V3 7mm knee sleeves for strength training
Warranty information for a product with a 12-month warranty on a black background.
Person wearing a black knee sleeve with 'Mammal Strength' branding, lifting weights.
Trusted by over 50,000 weightlifters worldwide with verified product reviews and customer ratings
Front and back length measurements of Mammal Strength V3 7mm knee sleeves showing extended sleeve design
Advanced contour knee protection design on Mammal Strength V3 7mm knee sleeves for weightlifting and training
Close-up of diamond neoprene fabric used in Mammal Strength V3 7mm knee sleeves
Person wearing a black knee sleeve with 'Mammal Strength' branding on a dark background.
Anatomical joint-specific design of Mammal Strength V3 7mm knee sleeves for stable knee support during lifting
Triple-stitched seams and folded neoprene cuffs on Mammal Strength V3 7mm knee sleeves for durability and comfort
Mammal Strength logo detail on V3 7mm knee sleeves showing branding on neoprene fabric
Mammal Strength V3 7mm knee sleeves packaging bags shown front and back
Black Mammal Strength V3 7mm knee sleeves made from neoprene, designed for weightlifting, squats, powerlifting and heavy lower-body training, sold as a pair
Mammal V3 7mm Knee Sleeves
Athlete wearing Mammal Strength V3 knee sleeves performing a deep squat during real gym training
Mammal V3 7mm Knee Sleeves
Joint protection and pain relief benefits of Mammal Strength V3 7mm knee sleeves for strength training
Warranty information for a product with a 12-month warranty on a black background.
Person wearing a black knee sleeve with 'Mammal Strength' branding, lifting weights.
Trusted by over 50,000 weightlifters worldwide with verified product reviews and customer ratings
Front and back length measurements of Mammal Strength V3 7mm knee sleeves showing extended sleeve design
Advanced contour knee protection design on Mammal Strength V3 7mm knee sleeves for weightlifting and training
Close-up of diamond neoprene fabric used in Mammal Strength V3 7mm knee sleeves
Person wearing a black knee sleeve with 'Mammal Strength' branding on a dark background.
Anatomical joint-specific design of Mammal Strength V3 7mm knee sleeves for stable knee support during lifting
Triple-stitched seams and folded neoprene cuffs on Mammal Strength V3 7mm knee sleeves for durability and comfort
Mammal Strength logo detail on V3 7mm knee sleeves showing branding on neoprene fabric
Mammal Strength V3 7mm knee sleeves packaging bags shown front and back

Mammal V3 7mm Knee Sleeves

$45.00
Mammal Strength V3 5mm black knee sleeves for weightlifting and training
Person wearing a black knee sleeve with 'Mammal Strength' branding on a dark background.
Front view of Mammal Strength V3 5mm black knee sleeves for weightlifting and training
7mm 5mm knee sleeves in use on the knee
Front and back length measurements of Mammal Strength V3 5mm knee sleeves showing extended sleeve design
Close-up of diamond neoprene fabric used in Mammal Strength V3 5mm knee sleeves
Advanced contour knee protection design on Mammal Strength V3 5mm knee sleeves for weightlifting and training
Triple-stitched seams and folded neoprene cuffs on Mammal Strength V3 5mm knee sleeves for durability and comfort
Mammal Strength logo detail on V3 5mm knee sleeves showing branded neoprene fabric
Anatomical joint-specific design of Mammal Strength V3 5mm knee sleeves for stable knee support during training
Side by side comparison of a barbell squat with and without Mammal Strength knee sleeves showing added knee support during heavy lifting
Care label and washing instructions printed on Mammal Strength V3 5mm knee sleeves
Mammal Strength V3 5mm knee sleeves packaging bags shown front and back
Warranty information for a product with a 12-month warranty on a black background.
Trusted by over 50,000 weightlifters worldwide with verified product reviews and customer ratings
Mammal Strength V3 5mm black knee sleeves for weightlifting and training
Athlete wearing Mammal Strength V3 knee sleeves performing a deep squat during real gym training
Person wearing a black knee sleeve with 'Mammal Strength' branding on a dark background.
Front view of Mammal Strength V3 5mm black knee sleeves for weightlifting and training
7mm 5mm knee sleeves in use on the knee
Front and back length measurements of Mammal Strength V3 5mm knee sleeves showing extended sleeve design
Close-up of diamond neoprene fabric used in Mammal Strength V3 5mm knee sleeves
Advanced contour knee protection design on Mammal Strength V3 5mm knee sleeves for weightlifting and training
Triple-stitched seams and folded neoprene cuffs on Mammal Strength V3 5mm knee sleeves for durability and comfort
Mammal Strength logo detail on V3 5mm knee sleeves showing branded neoprene fabric
Anatomical joint-specific design of Mammal Strength V3 5mm knee sleeves for stable knee support during training
Mammal V3 5mm Knee Sleeves
Side by side comparison of a barbell squat with and without Mammal Strength knee sleeves showing added knee support during heavy lifting
Care label and washing instructions printed on Mammal Strength V3 5mm knee sleeves
Mammal Strength V3 5mm knee sleeves packaging bags shown front and back
Warranty information for a product with a 12-month warranty on a black background.
Trusted by over 50,000 weightlifters worldwide with verified product reviews and customer ratings

Mammal V3 5mm Knee Sleeves

$51.00
Pair of Mammal Strength V3 5mm elbow sleeves made from black neoprene, designed for compression, support, and warmth during pressing and upper-body training
Pair of Mammal Strength V3 5mm elbow sleeves featuring Mammal Strength logo and V3 specification branding on a white background
Mammal Strength V3 5mm elbow sleeve shown on a white background with performance benefit text and contoured neoprene construction
Height measurements of Mammal Strength V3 5mm elbow sleeves showing 26 cm front height and 21 cm back height
Warranty information for a product with a 12-month warranty on a black background.
Close-up of diamond neoprene fabric used in Mammal Strength V3 5mm elbow sleeves, showing textured material and V3 specification text
Close-up of Mammal Strength V3 5mm elbow sleeves highlighting triple-stitched seams and folded neoprene cuffs for durability and comfort
Advanced contour elbow sleeve design on Mammal Strength V3 5mm elbow sleeves, showing shaped neoprene construction for a secure and natural fit
Two black Mammal Strength drawstring storage bags included with Mammal Strength elbow sleeves for protection and transport
Close-up of Mammal Strength logo printed on black neoprene fabric used in V3 5mm elbow sleeves
Care label on Mammal Strength V3 5mm elbow sleeves showing hand wash only washing instructions and care symbols
Trusted by over 50,000 weightlifters worldwide with verified product reviews and customer ratings
Mammal V3 5mm Elbow Sleeves
Pair of Mammal Strength V3 5mm elbow sleeves made from black neoprene, designed for compression, support, and warmth during pressing and upper-body training
Pair of Mammal Strength V3 5mm elbow sleeves featuring Mammal Strength logo and V3 specification branding on a white background
Mammal Strength V3 5mm elbow sleeve shown on a white background with performance benefit text and contoured neoprene construction
Height measurements of Mammal Strength V3 5mm elbow sleeves showing 26 cm front height and 21 cm back height
Warranty information for a product with a 12-month warranty on a black background.
Close-up of diamond neoprene fabric used in Mammal Strength V3 5mm elbow sleeves, showing textured material and V3 specification text
Close-up of Mammal Strength V3 5mm elbow sleeves highlighting triple-stitched seams and folded neoprene cuffs for durability and comfort
Advanced contour elbow sleeve design on Mammal Strength V3 5mm elbow sleeves, showing shaped neoprene construction for a secure and natural fit
Two black Mammal Strength drawstring storage bags included with Mammal Strength elbow sleeves for protection and transport
Close-up of Mammal Strength logo printed on black neoprene fabric used in V3 5mm elbow sleeves
Care label on Mammal Strength V3 5mm elbow sleeves showing hand wash only washing instructions and care symbols
Trusted by over 50,000 weightlifters worldwide with verified product reviews and customer ratings
Mammal V3 5mm Elbow Sleeves

Mammal V3 5mm Elbow Sleeves

$38.00
Mammal V3 7mm straight cuff knee sleeves for weightlifting and powerlifting support
Mammal V3 7mm straight cuff knee sleeves showing front and back design for weightlifting support
Mammal 7mm straight cuff knee sleeves being worn by athlete in gym for weightlifting support
Close up of Mammal Strength V3 7mm knee sleeve showing logo and neoprene material texture
Mammal V3 7mm Straight Cuff Knee Sleeves
Mammal Strength 12 month warranty graphic for knee sleeves covering manufacturing defects rips and tears
Mammal V3 7mm Straight Cuff Knee Sleeves
Mammal V3 7mm Straight Cuff Knee Sleeves
Mammal V3 7mm Straight Cuff Knee Sleeves
Mammal V3 7mm Straight Cuff Knee Sleeves
Trusted by over 50,000 weightlifters worldwide with verified product reviews and customer ratings
Mammal V3 7mm straight cuff knee sleeves for weightlifting and powerlifting support
Mammal V3 7mm straight cuff knee sleeves showing front and back design for weightlifting support
Mammal 7mm straight cuff knee sleeves being worn by athlete in gym for weightlifting support
Close up of Mammal Strength V3 7mm knee sleeve showing logo and neoprene material texture
Mammal V3 7mm Straight Cuff Knee Sleeves
Mammal Strength 12 month warranty graphic for knee sleeves covering manufacturing defects rips and tears
Mammal V3 7mm Straight Cuff Knee Sleeves
Mammal V3 7mm Straight Cuff Knee Sleeves
Mammal V3 7mm Straight Cuff Knee Sleeves
Mammal V3 7mm Straight Cuff Knee Sleeves
Trusted by over 50,000 weightlifters worldwide with verified product reviews and customer ratings

Mammal V3 7mm Straight Cuff Knee Sleeves

$56.00
Pair of Mammal Strength Stiff Knee Sleeves PRO made from ultra-stiff black CR neoprene for maximum knee support during heavy lifting
Front view of Mammal Strength Stiff Knee Sleeves PRO showing ultra-stiff 7mm CR neoprene construction and PRO spec branding
Mammal Strength Stiff Knee Sleeves PRO showing ultra-stiff knee sleeve design and made-for powerlifters, weightlifters, and strongman competition use
Height measurements of Mammal Strength Stiff Knee Sleeves PRO showing 30 cm front height and 27 cm back height
Close-up of Mammal Strength Stiff Knee Sleeves PRO showing ultra-stiff 7mm high-density closed-cell CR neoprene construction
Mammal Strength Stiff Knee Sleeves PRO showing rebound and pop support out of the bottom of a squat using ultra-stiff 7mm CR neoprene
Pair of Mammal Strength Stiff Knee Sleeves PRO shown on a gym floor, featuring ultra-stiff black 7mm CR neoprene and PRO branding
Two black Mammal Strength drawstring storage bags included with Stiff Knee Sleeves PRO for protection and transport
Close-up of Mammal Strength logo printed on ultra-stiff black CR neoprene knee sleeve fabric
Warranty information for a product with a 12-month warranty on a black background.
Trusted by over 50,000 weightlifters worldwide with verified product reviews and customer ratings
Size guide for Mammal Strength Stiff Knee Sleeves PRO showing quad, knee, and calf measurements for accurate sizing
Pair of Mammal Strength Stiff Knee Sleeves PRO made from ultra-stiff black CR neoprene for maximum knee support during heavy lifting
Front view of Mammal Strength Stiff Knee Sleeves PRO showing ultra-stiff 7mm CR neoprene construction and PRO spec branding
Mammal Strength Stiff Knee Sleeves PRO showing ultra-stiff knee sleeve design and made-for powerlifters, weightlifters, and strongman competition use
Height measurements of Mammal Strength Stiff Knee Sleeves PRO showing 30 cm front height and 27 cm back height
Close-up of Mammal Strength Stiff Knee Sleeves PRO showing ultra-stiff 7mm high-density closed-cell CR neoprene construction
Mammal Strength Stiff Knee Sleeves PRO showing rebound and pop support out of the bottom of a squat using ultra-stiff 7mm CR neoprene
Mammal Stiff Knee Sleeves - PRO
Pair of Mammal Strength Stiff Knee Sleeves PRO shown on a gym floor, featuring ultra-stiff black 7mm CR neoprene and PRO branding
Two black Mammal Strength drawstring storage bags included with Stiff Knee Sleeves PRO for protection and transport
Close-up of Mammal Strength logo printed on ultra-stiff black CR neoprene knee sleeve fabric
Warranty information for a product with a 12-month warranty on a black background.
Trusted by over 50,000 weightlifters worldwide with verified product reviews and customer ratings
Size guide for Mammal Strength Stiff Knee Sleeves PRO showing quad, knee, and calf measurements for accurate sizing

Mammal Stiff Knee Sleeves - PRO

$104.00
Mammal Thermal Knee Sleeves for training and running – black compression knee supports pair
Mammal Thermal Knee Sleeves – lightweight compression knee support for training and endurance workouts
Mammal Thermal Knee Sleeves – compression knee supports for running, training and functional fitness
Mammal Thermal Knee Sleeves – compression fabric detail showing thermal support material
Mammal Thermal Knee Sleeves size guide – knee circumference measurement chart for XS/S, M/L and XL/XXL
Mammal Strength 12 month warranty graphic for knee sleeves covering manufacturing defects rips and tears
Mammal Thermal Endurance Knee Sleeves
Mammal Thermal Knee Sleeves pair – lightweight compression knee support for training and endurance workouts
Mammal Thermal Knee Sleeves – close up of thermal knit compression fabric and Mammal Strength logo
Trusted by over 50,000 weightlifters worldwide with verified product reviews and customer ratings
Mammal Thermal Knee Sleeves for training and running – black compression knee supports pair
Mammal Thermal Knee Sleeves – lightweight compression knee support for training and endurance workouts
Mammal Thermal Knee Sleeves – compression knee supports for running, training and functional fitness
Mammal Thermal Knee Sleeves – compression fabric detail showing thermal support material
Mammal Thermal Knee Sleeves size guide – knee circumference measurement chart for XS/S, M/L and XL/XXL
Mammal Strength 12 month warranty graphic for knee sleeves covering manufacturing defects rips and tears
Mammal Thermal Endurance Knee Sleeves
Mammal Thermal Knee Sleeves pair – lightweight compression knee support for training and endurance workouts
Mammal Thermal Knee Sleeves – close up of thermal knit compression fabric and Mammal Strength logo
Trusted by over 50,000 weightlifters worldwide with verified product reviews and customer ratings

Mammal Thermal Endurance Knee Sleeves

$35.00
Mammal Strength 3mm double ply knee sleeves black pair weightlifting knee support
Mammal Strength 3mm double ply knee sleeves size guide knee circumference measurement chart
Mammal Strength 3mm double ply knee sleeves gym product photo showing durable compression support
Mammal 3mm Double Ply sleeves
Athlete putting on Mammal Strength 3mm double ply knee sleeves for gym training and knee support
Mammal Strength 3mm double ply knee sleeves front view worn for gym training knee support
Mammal Strength 12 month warranty graphic for knee sleeves covering manufacturing defects rips and tears
Close up of Mammal Strength 3mm double ply knee sleeves showing compression fabric texture and logo
Mammal 3mm Double Ply sleeves
Trusted by over 50,000 weightlifters worldwide with verified product reviews and customer ratings
Mammal Strength 3mm double ply knee sleeves black pair weightlifting knee support
Mammal Strength 3mm double ply knee sleeves size guide knee circumference measurement chart
Mammal Strength 3mm double ply knee sleeves gym product photo showing durable compression support
Mammal 3mm Double Ply sleeves
Athlete putting on Mammal Strength 3mm double ply knee sleeves for gym training and knee support
Mammal Strength 3mm double ply knee sleeves front view worn for gym training knee support
Mammal Strength 12 month warranty graphic for knee sleeves covering manufacturing defects rips and tears
Close up of Mammal Strength 3mm double ply knee sleeves showing compression fabric texture and logo
Mammal 3mm Double Ply sleeves
Trusted by over 50,000 weightlifters worldwide with verified product reviews and customer ratings

Mammal 3mm Double Ply sleeves

$32.00
Mammal Strength knee patella straps pair in black for knee support during weightlifting and training
Mammal Strength knee patella strap black adjustable knee support for running, gym and weightlifti
Mammal Strength patella knee strap worn adjustable knee support for patellar tendon pain, running and weightlifting
Mammal Strength patella knee straps pair black adjustable knee support straps for gym training and running
Mammal Strength patella knee strap worn on knee for patellar tendon support during gym training
Mammal Strength 12 month warranty graphic for knee sleeves covering manufacturing defects rips and tears
Mammal Strength patella knee straps pair black adjustable knee support straps for gym and running
Mammal Strength patella knee strap close up showing padded patellar tendon support cushion
Mammal Strength patella knee strap single black adjustable patellar tendon support strap for gym and running
Mammal Strength patella knee strap close up showing premium material texture and patellar tendon support padding
Trusted by over 50,000 weightlifters worldwide with verified product reviews and customer ratings
Mammal Strength knee patella straps pair in black for knee support during weightlifting and training
Mammal Strength knee patella strap black adjustable knee support for running, gym and weightlifti
Mammal Strength patella knee strap worn adjustable knee support for patellar tendon pain, running and weightlifting
Mammal Strength patella knee straps pair black adjustable knee support straps for gym training and running
Mammal Strength patella knee strap worn on knee for patellar tendon support during gym training
Mammal Strength 12 month warranty graphic for knee sleeves covering manufacturing defects rips and tears
Mammal Strength patella knee straps pair black adjustable knee support straps for gym and running
Mammal Strength patella knee strap close up showing padded patellar tendon support cushion
Mammal Strength patella knee strap single black adjustable patellar tendon support strap for gym and running
Mammal Strength patella knee strap close up showing premium material texture and patellar tendon support padding
Trusted by over 50,000 weightlifters worldwide with verified product reviews and customer ratings

Mammal Knee Patella Support Straps

$21.00

Which Sleeves to Choose 

Mammal Strength V3 7mm black knee sleeves for weightlifting and strength training

5mm Knee Sleeves

Best for High rep functional training & everyday sessions

Choose 5mm if you want support without feeling restricted

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7mm Knee Sleeves

Weightlifting & heavy lifting

Choose 7mm if your focus is strength work and heavier sessions

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Stiff Knee Sleeves PRO

Built for maximum support & rebound

Choose PRO if you want max-rebound + uncompromising support for minimal rep heavy lifting

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7mm/5mm Knee Sleeves

features & Benefits

Extended Length

Now measuring 28cm in height

Triple Stitched

Reinforced seam panels

Diamond Neoprene

Highest quality CR neoprene construction

Warmth & Blood Flow

Helps knees feel more “ready” when training

Compression & Stability

Supports joint awareness & knee tracking

Reduced Joint Irritation

Reduced irritation from repeated flexion

Hear From Our Customers

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Will. g

You can feel the difference straight away. thick, solid and properly stitched. These feel robust, not disposable gym gear + i got free wristbands with my order.  

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Chris. S

They’re tight getting on, but once they’re on…...they’re locked on. No slipping, no adjusting between sets. Just proper knee support you can feel. 

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Georgia. F

10/10. I've been using these knee sleeves for heavy ish squats and high-rep sessions. Enough support to feel stable and let you move naturally.

Mammal  Sleeves VS OTHER BRANDS

 

Mammal Sleeves

Other Brands

Material

High density CR neoprene

Low-grade neoprene or rubber blend

Compression

CONSISTENT COMPRESSION

Compression fades with use

Construction

TRIPLE-STITCHED SEAMS

Basic stitching prone to wear & tear

Longevity

Built for LONG-TERM DURABILITY

Lose structure over a short time

Warranty

12-Month warranty

0-6 month warranty

Black Mammal Strength V3 7mm knee sleeves made from neoprene, designed for weightlifting, squats, powerlifting and heavy lower-body training, sold as a pair
Mammal V3 7mm Knee Sleeves
Joint protection and pain relief benefits of Mammal Strength V3 7mm knee sleeves for strength training
Warranty information for a product with a 12-month warranty on a black background.
Person wearing a black knee sleeve with 'Mammal Strength' branding, lifting weights.
Trusted by over 50,000 weightlifters worldwide with verified product reviews and customer ratings
Front and back length measurements of Mammal Strength V3 7mm knee sleeves showing extended sleeve design
Advanced contour knee protection design on Mammal Strength V3 7mm knee sleeves for weightlifting and training
Close-up of diamond neoprene fabric used in Mammal Strength V3 7mm knee sleeves
Person wearing a black knee sleeve with 'Mammal Strength' branding on a dark background.
Anatomical joint-specific design of Mammal Strength V3 7mm knee sleeves for stable knee support during lifting
Triple-stitched seams and folded neoprene cuffs on Mammal Strength V3 7mm knee sleeves for durability and comfort
Mammal Strength logo detail on V3 7mm knee sleeves showing branding on neoprene fabric
Mammal Strength V3 7mm knee sleeves packaging bags shown front and back
Black Mammal Strength V3 7mm knee sleeves made from neoprene, designed for weightlifting, squats, powerlifting and heavy lower-body training, sold as a pair
Mammal V3 7mm Knee Sleeves
Athlete wearing Mammal Strength V3 knee sleeves performing a deep squat during real gym training
Mammal V3 7mm Knee Sleeves
Joint protection and pain relief benefits of Mammal Strength V3 7mm knee sleeves for strength training
Warranty information for a product with a 12-month warranty on a black background.
Person wearing a black knee sleeve with 'Mammal Strength' branding, lifting weights.
Trusted by over 50,000 weightlifters worldwide with verified product reviews and customer ratings
Front and back length measurements of Mammal Strength V3 7mm knee sleeves showing extended sleeve design
Advanced contour knee protection design on Mammal Strength V3 7mm knee sleeves for weightlifting and training
Close-up of diamond neoprene fabric used in Mammal Strength V3 7mm knee sleeves
Person wearing a black knee sleeve with 'Mammal Strength' branding on a dark background.
Anatomical joint-specific design of Mammal Strength V3 7mm knee sleeves for stable knee support during lifting
Triple-stitched seams and folded neoprene cuffs on Mammal Strength V3 7mm knee sleeves for durability and comfort
Mammal Strength logo detail on V3 7mm knee sleeves showing branding on neoprene fabric
Mammal Strength V3 7mm knee sleeves packaging bags shown front and back

Mammal V3 7mm Knee Sleeves

$45.00
7mm size guide
Specifications 
Material7mm CR Diamond Neoprene
Sold as Pair 
Suitable forWeightlifting, Powerlifting, Strength Training
Sleeve height28cm (extended length) 
FitAnatomical contoured fit
WashingCold hand wash only with mild detergent

Shop ALL knee support