Castelli Alpha Doppio RoS Jacket - Men's
Castelli Alpha Doppio RoS Jacket - Men's, When training outside year round is a must we need protection from the elements so we trust in the Castelli Alpha Doppio RoS Jacket to keep us dry and comfortable for miles on miles. The GORE-TEX INFINIUM WINDSTOPPER 150 fabric construction blocks out wind and rain while the Polartec Alpha Direct insulating layer keeps us warm without overheating.