Big & Tall Breathable Cooling UV Sun Hat, Vented Mesh, Soaker Design, SPF 50 60% Polyester, 40% Nylon Spot Clean with Damp Cloth. Big and Tall Men's Soaker Sun Hat - specially designed to keep you cool and protected under the sun Soaker hat design - dip in water and continue to wear - moisture retained in hat keeps you cooler Vented mesh crown sides allow heat to escape and air to flow another feature to keep you cooler UPF 50 rating means this hat blocks out 97 percent of the suns harmful UV rays Interior elastic sweatband, Also Includes FREE sizing tape to reduce size if needed for a custom fit