ULTRA HD lens provides optical clarity, 6-point locking tabs integrate with quick-change system maximizing lens retention, Injection-molded 2 mm impact-rated, shatter-resistant lens, Quick-release system offers simple lens changing capability, Bonded, dual-injection frame construction maximizes strength and durability, Force air intake ports increase circulation and maximize humidity evacuation, Ultra-wide 48 mm strap with thick silicon bead for maximum grip, Contouring compression seal technology to keep goggles in place, Sweat collection management and drainage system, Perforated triple-layer face foam manages sweat and increases ventilation, Removable nose guard for extra deflection against dirt and debris