NRS HydroSkin 0.5 Jacket - Women's A convenient front-entry zipper makes the HydroSkin 0.5 Jacket easy to put on or take off as conditions change 0.5 mm Terraprene neoprene with heat-reflecting titanium cuts the chillon cool days Four-way-stretch Powerspan exterior allows unrestricted movement, andthe soft ThermalPlush lining feels great against your skin Paddler-specific design allows unrestricted freedom of movement and putsseams where they won't cause irritation Spandex fabric under the arms creates friction-free zones forcomfortable paddling while improving ventilation where you need it most