It’s the right call with Mato & Hash Men's 1/4 Zip Referee Shirt! Made from 100% polyester with stretchy moisture-wicking material that keeps you comfortably cool while making all those calls! As always Mato & Hash gives you the biggest bang for your buck, offering our Referee Tank Top shirts in Small to 4XL. Mato & Hash provides true quality with sublimated strips that feel like part of the Fabric, no need to worry about any fades during the first few washes. Men’s Referee Tank tops are washable. Machine wash light cycle and tumble dry low heat.