Biff Mountain With a medium flex for

With a medium flex for a variety of riding styles

The flat-format lid allows space for the head to move

Underwire top

Rotomolded construction is extremely durable and strong

Biff Mountain With a medium flex forThere are sunglasses that fly under the radar. And then there's the Biff. Big, bold and ready to party, these shield style Suncloud polarized sunglasses always make an entrance. They have a large fit for maximum coverage and polarized lenses that bump up contrast and block out glare. Medium fit, large coverage Evolve bio based frame material Polarized polycarbonate injection molded lenses 4 base lens curvature 100% UV protection Micro? ber cleaning