Cotton is naturally breathable and durable 100% polyester mesh with antimicrobial finish Chest pockets with pen partition for storage Ventilation at underarm, side body and back body ReflecTec 50mm reflective tape Fade Shade Indicator for high visibility non-compliance. Fabric: 145gsm, 100% cotton. Sizes: S, M, L, XL, 2XL, 3XL, 4XL, 5XL. Colours: ORANGE/NAVY, YELLOW/NAVY