The ProFlex 345 Injected Gel Knee Pads feature a long cap injected with gel and PU foam for all-around protection, support and stability. To further boost comfort, the bottom neoprene strap is perforated to improve airflow and prevent sweat behind the knees. The non-slip rubber cap securely grips floors for added stability. The buckle and hook & loop closure securely attach to keep knee pads from sliding around or coming undone. The stretchable neoprene and elastic leg straps easily a