Hard Yakka Core Mens Short Sleeve Hi Vis 2 Tone Taped Vented Shirt. 100% Cotton Twill 145gsm Contrast: 100% Cotton Mesh, 195gsm Cotton is naturally breathable and durable 100% Cotton Mesh Underarm Gusset & Internal Back Yoke Vent Chest pockets with pen partition for storage Ventilation at underarm, and Internal back yoke vent ReflecTec 50mm reflective tape Fade Shade Indicator Colours: BLACK. Sizes: S, M, L, XL, 2XL, XS