The V3 7mm is our best all-round sleeve for heavy training. Here is who it is built for, how it should feel, and how to get your size right first time.
What They Are
The V3 7mm Knee Sleeves are a contoured 7mm neoprene sleeve built for consistent compression, joint support and warmth under heavy load. They are cut from layered diamond neoprene at an extended 28cm length, with triple stitched seams, and sold as a pair.
Who They Are For
- Olympic weightlifters who want strong support through squats, cleans and snatches
- Strength athletes and powerlifters training heavy lower-body work most weeks
- CrossFit competitors on heavy days
- Anyone who wants one heavy sleeve to cover most of their training
Who Should Look Elsewhere
- Want maximum stiffness for max-effort squats? Look at the Stiff Knee Sleeves PRO.
- Want the tightest fit in the V3 range? The Straight Cuff is built for that. Read Straight Cuff vs Contoured.
- Mostly conditioning and high reps? The V3 5mm gives you more freedom to move.
How They Should Fit
Expect them to feel tight the first time. That is the compression doing its job. After one or two sessions the neoprene settles to the shape of your leg. If you are struggling to get them on, roll the sleeve down from the inside, slide it on below the knee and roll it up into position.
How to Size Them
- Where to measure: 8cm below the middle of the kneecap, knee slightly bent
- Sizes: XS to 4XL, our widest size range
- Between sizes? Size up. V3 sleeves fit tighter than most brands.
Looking After Them
Take them off after training, hand wash in cold water and air dry. Avoid tumble dryers and radiators, as heat breaks down neoprene.
Find Your Size in Two Minutes
Not sure the 7mm is the right sleeve for you, or which size to order? Let the guide decide.
Our Knee Support Buying Guide brings everything into one place. Step 1 is a 30-second quiz that matches you to the right Mammal support for how you train. Step 4 is our size finder: pick your product, follow the measuring steps for it and it tells you your size.
Open the Knee Support Buying Guide ->
Every Mammal sleeve comes with 30-day free returns and a 12-month warranty, so if the fit is not right, we will sort it.