Externally seam-sealed waterproof breathable soft-shell fabric with stretch Entrantᆴ fabric front collar underarms & side panels create a superbly well fitted garment, Ultrasonically welded seams offer ultimate comfort by creating a smooth internal surface, Flexible ventilation is provided via side & underarm zip vents (accessible even when wearing a back-pack), Waterproof wrist zips ensure a snug-fit & facilitate closure over gloves, Waterproof zipped rear pocket & welded chest pocket with iPodᆴ port, Reflective on chest back shoulders & sleeves,