VIPER Compression Knee Sleeve Leg Support (Full Length) - TruCore 3-Layer Wicking, Non Slip Inner Bands - Basketball, Running, Weight Lifting, Crossfit, Arthritis (SINGLE) Each is sold as a SINGLE (1) knee sleeve TruCore Durability & Protection - Will maintain elasticity after washes. Supreme soft feel and flexibility using the most advanced compression material available. Dual-Layer TruCore Wicking - Keep warm, stay dry with the most advanced material available. The best feeling compression sleeve you'll ever touch with all double-seam hemming throughout Non-Slip Inner Silicone Strip - No worries if the sleeve will stay in place. A hidden, soft silicone strip hides inside at the top that prevents the knee sleeve from slipping down when moving or getting sweaty Backed by VIPER Performance Lab's 100% Lifetime Warranty, No-Hassle Returns, No Run Arounds