Damascus Imperial Hard Shell Cap Knee Guards have hard shell polyurethane thermoplastic non-slip knee caps that topped off with a dull finish non-reflective tone-on-tone grommets. Damascus Imperial Hard Shell Cap Knee Pads w/Foam Padding feature reinforced foam padding for shock absorption and wear comfort, and high tenacity, air textured DuPont Ultra Cordura nylon outer materials. Damascus Imperial Washable Hard Shell Cap Knee Guards w/Cordura include two adjustable elastic straps with Velcro and D-rings for the most secure fit, and feature superior abrasion and tear resistance material. Features: Hard shell polyurethane thermoplastic non-slip knee caps Reinforced foam padding for shock absorption and wear comfort Two adjustable Elastic straps with Velcro and D-rings for the most secure fit High tenacity, air textured DuPont Ultra Cordura nylon outer materials Superior abrasion and tear resistance Dull finish non-reflective tone-on-tone grommets Ergonomic curved form Interior name tags for personal identification Washable One size fits all