Anti Slip Silicone At Top Cuff In the market, most of knee compression sleeves are very easy to slip down, in order to solve this issue, we add 2 waves silicone at the top cuff to increase friction, so that it won't slip down Elastic and Breathable & Quality 3D Knitting Elastic yarn with 3D circular technology ensures breathable and comfortable. Easy to wear due to its light and soft material Fit for Sports and Daily Wear Suitable for all sports activities that involve a great amount of stress on the joints like: running, basketball, soccer, football, golf, cycling, tennis, hiking, volleyball, skiing and much more. You can also wear it in the daily life if needed What you can get 1 Pair knee support. We provide lifetime service guarantee, pls feel free to let us know the problem you meet, we will fix it immediately. NOTE: carefully check the size chart from the left picture, M: 13.8"-16.5", L: 16.5"-18.5", XL: 18.5"-21.7" Size Chart: M:13.8"-16.5" L:16.5"-18.5" XL:18.5"-21.7" Pls measure your leg circumference 4 inch above the kneecap Main Features: Material We use quality Spandex & Nylon & Latex material, give you fresh feeling during sports time Anti Slip Silicone At Top Cuff In the market, most of knee compression sleeves are very easy to slip down, in order to solve this issue, we add 2 waves silicone at the top cuff to increase friction, so that it won't slip down Quality 3D Knitting Elastic yarn with 3D circular technology ensures breathable and comfortable. Easy to wear due to its light and soft material Suitable for all sports activities Suitable for all sports activities that involve a great amount of stress on the joints like: running, basketball, soccer, football, golf, cycling, tennis, hiking, volleyball, skiing and much more. You can also wear it in the daily life if needed What's in the package 1 Pair Knee Support