Strong Knee Sleeves 7mm thick level 3 neoprene to support max effort Provides "Sling Shot" effect at the bottom adding pounds to your squat Use during heavy sets for maximum support Stiff and secure, prevents sleeve movement once on your knee Patent pending design creates comfortable fit by removing seams from front and back of knee <span class="a-text-bold">Level 3 </span>neoprene to support max effort Provides Sling Shot effect for an additional 20-50 lbs Use during heavy sets for maximum support Stiff and secure, prevents sleeve movement once on your knee Comparable to a light knee wrap Patented design creates comfortable fit by removing seams from front and back of knee Can be worn for any exercise or during your entire workout Provides support and warmth in more dynamic movements Sold as a pair