Giro Contact AF Goggles advancer is the reference width for

is the reference width for this model based off shell size 26/26

Fantastic Wicking Ability

These springs are 15% stiffer

The new "Sentinel" clamp comes with four 8mm bolts with a 6mm allen key heads to reduce the risk of stripping out your bolts

Tool-free mount installs in seconds for simple

Giro Contact AF Goggles advancer is the reference width forFrame Expansion View (EXV) Frame Perfected at Giro's test lab in Scotts Valley, California, this groundbreaking new frame design serves up unparalleled peripheral vision. Giro started with a helmet compatible goggle, then shaved down the frame rim and added frameless zones to optimize a massive spherical lens focused on the best possible peripheral vision in a goggle. Large EXV Semi Frameless Design Lens Snapshot Magnetic Lens Interchange System