Smith Optics Convoy MIPS Helmet Black MediumThe Convoy helmet provides mountain bikers an exceptional custom fit and elevated protection wrapped in Smith's signature style. By integrating Smith's proven VaporFit fit system with a MIPS liner system the Convoy delivers a tailor made fit for every rider across four unique shell sizes. The Convoy's AirEvac ventilation system and engineered eyewear storage delivers the ultimate integration you expect from a Smith helmet. PRODUCT FEATURES Lightweight