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

Engineered mesh air channels

reducing the risk of slips and falls on icy or slippery surfaces

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