Thermal performance fit the jersey is made from a thermal compliant fabric designed to ward off that winter chill the performance fit will minimise flapping ventilation and fast wicking properties ventilation in key areas will help keep away any heat build up and fast wicking fabric will keep you comfortable should temperatures rise or you decide to up the tempo on the bike soft brushed lining the soft fleece like roubaix lining ensures comfort when worn in isolation camlock zip with garage