As the name suggests, Watershirt"s are designed to be used in, on and around the water. Watershirt"s fit like a comfortable t-shirt, feel like silk and wear like iron. Perfect for wearing on the beach, in the water or just around town. These tops are made from CoolMax EcoMade fabric. Coolmax Eco is a planet friendly product made from 97% recycled resources like water bottles. When used in the water, Watershirt"s are quick drying and help blocks harmful UV rays. On land Watershirt"s transport moisture away from your body, keeping you cool, dry and comfortable. Order the same size as you would normally wear in a tee shirt.