The men?s Hydroskin jacket provides great protection from splash and wind on cooler water outings. Lighter than a wetsuit but heavier than a rashguard, the lightweight and stretchy Terraprene insulates from cool air and water yet still provides great freedom of movement, whether kayaking, canoeing, rafting or SUP (stand up paddling). Zippered front entry makes this piece easy to get on and off, making it an extremely valuable piece of paddling gear.Titanium laminate adhesive aids in body heat retention..Spandex underarms eliminate binding, making this top superior as a single outer layer or as a base layer..DWR coating makes water bead up and roll off for decreased evaporative cooling and quicker drying times between trips..