Circle One Men's Polypro Thermal Rash Vest Icon Long Sleeve in Black   As a technical stand-alone base layer or as an extra layer under a wetsuit, this Men's thermal long-sleeved rash guard has amazing insulating qualities when wet and absorbs minimal water. Providing both warmth and wind resistance, they are an essential piece of cold water surfing or cold watersports gear.   FEATURES   Polypro Thermotech lining provides excellent insulation in a minimal bulk fabric Flatlock Stitched Seams Breathable and comfortable construction Quick Dry 4 way stretch with anatomically shaped panels for more efficient movement Durable Water Resistant Coating for maximum insulation and water-wicking properties Slimmer fit across the abdomen and shoulders for a second skin feel UV Protection UPF 50+ Circle One Men's Polypro Thermal Rash Vest Icon Long Sleeve - Black