Bisley Cool Lightweight Drill Long Sleeve Shirt in Navy. Designed for those hot days at work to keep you cooler for longer. This shirt has been designed for ventilation and breathability. Two ventilated mesh panels at the back allow for increased airflow around the body, as well as mesh added to the underarm for this high perspiration area. All the regular features are there:Two button-down chest pockets with pen divisionTwo-piece structured collar and full gusset sleeve cuff.The Cool Lightweight Drill shirt is made from 100% cotton pre-shrunk Drill.