Hard Yakka Koolgear Hi-Visibility Two Tone Cotton Twill Ventilated Shirt Short Sleeve. Vented back yoke & shoulders Underarm cotton mesh vents Two button down chest pockets Pen partition in left pocket Colours: ORANGE/NAVY, YELLOW/GREEN, YELLOW/NAVY. Sizes: S, M, L, XL, 2XL, 3XL, 4XL, 5XL, XS