WOMEN'S LACROSSE SPORTS EYEGUARD Innovative Forceflex "flow through" injection molding manufacturing technique bonds the frame directly through the lenses to set a new standard in durability and safety. Optically correct, high impact shatter-resistant polycarbonate lens. Compact, lightweight TR-90 nylon frame for impact protection. Lenses are coated for anti-fog and anti-scratch resistance. Adjustable, washable head strap holds eye guards in place. Micro fiber lens cleaning/protective storage pouch included. Meets or exceeds all USRA and ASTM F803 standards for racquet sports. Meets ASTM F803-03, US Lacrosse and PECC certified lab requirements for women's adult & youth lacrosse and field hockey. Meets or exceeds all ASTM F2713-09 standards for field hockey.