Portwest Men's Lined Hi-Vis Fleece Jacket Polyester, , Whether for work or for leisure, the F300 will keep you comfortable, warm, and above all, visible and safe. Fully certified to EN471 Class 3:2 and features a full front zip and two side zip pockets. Size S - 36/38, M - 40/41, L - 42/44, XL - 46/48, 2XL - 50/52. Fabric: 100% Polyester Outer Anti Pill 300g. Body: Nylon Mesh 60g.