The Zeal Detonator ski and snowboard goggle is helmet compatible but looks great without a helmet. This goggle fits medium to large faces. This goggle gives you a performance edge in goggle technology with a self-contained P.A.S.V.™ ventilated, goggle piece that will exceed the demands of serious athletes. Zeal Optics Detonator's smooth looks and superior performance is the edge athletes have been lookin for. The Detonator provides the most peripheral vision of any goggle in the helmet compatible world. It also is one of the most comfortable goggles you'll ever slap on your face!