PERFORMANCE TECHNOLOGIES: 4-star rating from the Virginia Tech Helmet Lab Full head coverage with 100% peripheral vision to keep you safe without getting in the way Adjustable rear ties and Hook and Loop Retention System for a customizable fit Ventilated interior comfort liner No Metal or Hard Plastic Component Parts ADDITIONAL SPECS: Machine Washable (Air Dry Only) Works with: Football (unpadded practices), 7 on 7 Football, Flag Football, Rugby, Water Polo, Volleyball, MMA, Field Hockey, Lacrosse and even Surfing!