The I.K. 91 is an ultra lightweight (34 grams) and a very comfortable goggle for action sports ranging from skydiving, paintball, motorcycling and riding ATVs. It’s designed to protect against wind, dust, dirt, mud, and more. The clear spherical lenses give you a great distortion free view with totally unobstructed peripheral vision. The narrow headband fits well under or over helmets. Black foam inside protects the eyes from pressure. All IK 91 Lenses are impact resistant. This goggle comes with its own microfiber carrying case. So, heads up with the IK 91 when it comes to action.