ToughBuilt FoamFit Professional Knee Pads - Ergonomic Support Comfortable FoamFit design ERGONOMIC SUPPORT - Sshaped to embrace the knee and upper shinvv; Maximizes pressure distribution for all-day comfort PREMIUM QUALITY - Rugged materials and construction ; Abrasion-resistant 1680D fabric EVA elastic leg straps comfortably hold their place without cutting off circulation or binding behind the knee