4D Mag S | Birds of Prey YGroup_Lowdown2 Microfiber cleaning and storage bag

Microfiber cleaning and storage bag

Light-sensitive photochromic lenses with ChromaPop™ technology adapt to changing light conditions while enhancing contrast and natural color

A complete roll cage is integrated throughout the helmet to help distribute impact forces for a maximum level of protection

They're compatible with the Rhythm MTB goggles and include two film canisters to keep you riding

Smith Flexible Fit System featuring BOA® for a premium fit

4D Mag S | Birds of Prey YGroup_Lowdown2 Microfiber cleaning and storage bagVision Smith MAG lens change system uses magnets for quick, easy lens changes ChromaPop lenses enhance contrast and natural color to make the details pop BirdsEye Vision clarifies not just your line, but the riders in your periphery Fit Integration Small fit; Available in Low Bridge Fit for faces with a lower nose bridge and or a wide or high cheekbone shape QuickFit strap adjustment system lets you find the right fit fast AirEvac ventilation system