Hercules Single Ply Knee Sleeves for Crossfit Powerlifting Strongman, One Pair Strength Shop Hercules Super Heavy Single Ply Knee Sleeves - One Pair These sleeves are the most pliable of the Strength Shop range, offering optimum support during all kinds of training. Support your knees during a Heavy Back Squat, Clean, Front Squat, Snatch or Stone-to-Shoulder Perfect for Crossfit, Olympic Weightlifting, Powerlifting & Strongman Events