The Neo Flex Long Sleeve top offers insulation with a light, flexible feel. Pairing Neo Flex 0.5mm neoprene with a Thermospan liner, it is warm & comfortable when dry & stretchy & supple when wet. Cut for active paddling; it lets your shoulders move unrestricted. Seam-free underarms & flatlock seams help prevent chafing. superb for warm weather paddling & surfing, it'll be a favourite layer for water sports.