NRS HydroSkin 0.5mm Socks Protect your feet and keep them warm without the bulk of other wetsocks. NRS HydroSkin Socks are the ultimate wetshoe liner. And, hey, they work great with sandals too.Imported. Comfort: The 0.5 mm neoprene core insulates and protects.The ThermalPlush inner lining increases insulation, repels moisture and dries quickly.Titanium-laminate adhesive aids body heat retention without adding bulk.Anatomically shaped left and right feet offer superior fit and unmatched comfort while eliminating the guessing game. Utility: DWR coating forces water to "bead" and roll off the material, reducing evaporative cooling.4-way-stretch PowerSpan outer layer gives you enhanced mobility and greater durability. Secure Fit: Pairing snaps help prevent you from hitting the river with only one sock.