Constructed from 82% Thermal Nylon and 18% Spandex O’Shea’s Thermal Long Sleeve Thermo Polar fleece vest gives excellent warmth and flexibility. You won’t get cold, the thermo vest will boost bodily warmth if worn under your standard wetsuit or it can be worn as a stand alone garment during warmer spells of weather. Pair of your favourite boardshorts for that summer watersports or surfing look.