Stay cool on hot days in Stoney Creek Checkmate fabric. 100% cotton fabric made in a special open weave to allow airflow. Checkmate fabric is cool, and ventilated for summer comfort.Notes on Washing: To extend the life of the garment and for best performance, close all zips including pocket zips. Use a small amount of non-scented LIQUID detergent and gentle wash at a temperature below 40º Celsius. DO NOT use powder detergents, fabric softener or chlorine bleach. Powder detergents include artificial scents, UV brighteners and abrasives that will reduce the life of the garment. Warm tumble dry, or line dry after washing.