The OTC 0309 knee support retains natural body heat to help soothe aching muscles and maintain flexibility, provide firm, uniform compression to support a weakened knee, and offers moderate protection from bumps and bruises. The high-tech, perforated material “breathes”, allowing perspiration and moisture to escape for extended wearing comfort. Handcrafted construction includes invisible stitching and heat seal seam tape for added comfort and durability. Effective support and value to keep you comfortably active. Excellent for use in athletics and occupational activities. Indications Listed Below Perforated neoprene material is breathable and allows for comfortable long-term wear Four-way stretch material provides even compression over the anatomical prominences of the joint Multi-function neoprene buttress surrounds kneecap and provides compression and stabilization. Slits on interior of buttress cover allows for a wide range of adjustability Sheer mesh elastic opening over back of knee minimizes binding, enhances wearing comfort Easy slip-on, slip-off application Latex Free Available in royal (0309RB) or black (0309BL)