Designed to keep up with the most active user" the Magpul Ascent provides high-performance eye protection and all-day comfort while you're on the move. With a frame constructed of TR90NZZ and impact-resistant oleophobic lenses" the Ascent has Magpul's highest Z87+ ballistic rating. Its lightweight design provides rugged ballistic protection that ensures consistent overall protective coverage. Its tight" eight-base wrap keeps debris out" provides lateral eye and temple protection" and minimizes incoming stray light. The low-profile temples" combined with its over-molded temple and nose pads" keep the Ascent in place and comfortable all day long" even during high tempo and physically demanding activities.