509 V.E.E.S Protection System For Altitude 2.0 Helmet YCRF_goggles Stretch fabric and articulated construction

Stretch fabric and articulated construction allow increased range of motion

so the more you ride

Time-tested in quality and performance

Double-layer knee system with a full-grain leather outer and abrasion resistant inner layers provide increased durability against knee braces

and high-performance features to elevate your workout experience

509 V.E.E.S Protection System For Altitude 2.0 Helmet YCRF_goggles Stretch fabric and articulated constructionIf you run an open face helmet on cold days, think about adding the 509 VEES Protection System for Altitude 2. 0 Helmets. This addition easily snaps into place and adds extra warmth and wind protection when you need it, and removes quickly when you don't. FEATURES Compatible with all Altitude 2. 0 Helmets