Hard Yakka Women's Core 2 Tone Hi-Vis Vented Long Sleeve Shirt (Y08225)Description Koolgear is Hard Yakka's range of lightweight, ventilated shirts, pants and shorts engineered to keep you cool in hot, physically demanding environments. Engineered with naturally breathable and lightweight 145gsm 100% cotton twill, these shirts feature ventilation in three high heat areas side body, underarm and back body for the ultimate in cooling. Never lose your pen again, with the handy pen partition built into the chest pocket.