An insulating layer for paddling, surfing or swimming made from. 5 mm Terraprene neoprene with heat-reflecting titanium that cuts the chill on cool days. Perfect for days when the weather is warm but you still need to be ready for a plunge in cold water. Fit Hydro Skin garments are meant to fit snugly next to the skin, similar to a wet suit. This allows for efficient performance and layering. 6 oz. premium nylon/spandex with brushed interior. Handwash, line dry. H2Core™ Rashguard panels under the arms for increased breathability. Premium nylon-spandex exterior material offers optimal stretch and reduced water retention. Paddler-specific cut combines with friction-free seams to enhance paddling performance and comfort. 0. 5 mm Terraprene™ neoprene with heat-reflecting titanium that retains your body's heat. Hydro Skin is the perfect solution when you need extra protection from wind, spray and cold water. Form fit restricts water entry, enhancing the insulation properties. Imported. Women's NRS Hydro Skin 0.5 Shirt, Short-Sleeve Graphite/Harbor Extra Small, Nylon/Neoprene