Stay cool and visible in Bisley's Hi Vis Lightweight Drill Shirt. Boasting 100% preshrunk cotton drill material, a two-piece contrast coloured collar, and two button-down chest pockets, this shirt is a must-have for any job. Its unique design features vertical cotton mesh back and underarm ventilation, as well as a pen division in the left chest pocket. Ideal for summer. Made from 100% Cotton Preshrunk Drill 155gsm.