Who's this item for: Riders after a genuine replacement headliner for their TLD D2 helmet

Internal width: 24 mm

leaving your competitors wondering why they are still messing around with zip ties

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Smith Mountain Session Mips Helmet - M - Matte Black Virtual Parent Who's this item for: RidersYou earn your ride through the climb, but you're really in it for the downhill. The Smith Session helmet is made for the all mountain rider that wants speed and style in one protective package. The ultralight feel and innovative protection of Koroyd in strategic, zonal impact areas let you bomb and blaze with confidence. Generous air ports on the top work with internal air channels to provide ventilation that keeps you cool on the uphill and helps