The endura helium waterproof jacket perfect for riding in the rain with its ultra compact waterproof breathable fabric made with ultra compact 25 layer waterproof breathable fabric with stretch panels on hems and armholes endura helium waterproof jacket features compact 25 layer waterproofbreathable fabric stretch panels on hem and armholes athletic fit with asymmetric front zipper waterproof stretch chin guard slimline inner storm flap with wrapo