4-way compression sleeve ergonomically designed for a full range of motion and full protection. Special fabric gives you a smooth and soft touch feel all day and all night long Special knitted technical design that matches different joints. Eliminates bad odors & High absorption capacity Designed to support all athletic endeavors including running, basketball, soccer, football, golf, cycling, tennis, hiking, volleyball, skiing, and much more. DOUBLE silicone anti-slip wave- that provides the best grip so you wont have to readjust it during gym time, squats, weightlifting, yoga & dance, marathons, and gymnastics. It doesn't roll, slide or slip down. Size: Elastic; L( Thigh circumference about 42~52cm); XL( about 52~57cm) Package Includes: 1x Single Knee Support