The 2 Tone Cool Lightweight Drill Shirt - Short Sleeve is a Vertical cotton mesh back ventilation with Underarm cotton mesh ventilation and 2 chest pockets with button down flaps Left pocket and pen division. It features a Contrast coloured lower panel Durable, reinforced stitching and 2 piece contrast coloured structured collar. FABRIC 100% Cotton Preshrunk Drill 155gsm 100% Cotton Open Mesh 200gsm