Fabric - One side: 100% polyester anti-pill polar fleece Yellow/Navy two tone, two side pockets, hidden zip for embroidery access. Reverse: shower proof nylon shell, two side pockets. UPF (ultraviolet protection factor) in accordance with AS/NZS4399:1996 Hi-Vis Day Fabric & Design New AS/NZS 4602.1:2011 DNC - Vest - Reversible - P/Fce - Yellow/Navy - 3826 Y/N S