● High Quality 100% Polyester ● √GOOD CHOICE FOR OUTDOOR SUN PROTECTION AND WATERPROOF:Sunscreen hat with sweatband provides UV sun protection. Wide brim hat to keep sun out of your eyes,A mesh vent layer is designed in the middle of the hat,Good air flow to keep head cool. ● √ SAFE AND ECO-FRIENDLY MATERIAL: Mens boonie sunhat -Our wide-brimmed hats are made of 100% polyester fiber, which can quickly dry and return to the original, and has good durability and a certain waterproof function.Cooling fishing towel- the cooling towel is made of super breathable soft mesh material, and the powerful water absorption function can continued keep you comfortable. ● √ STAY COOL WITH BREATHABLE MESH: Stay cool, as mesh panels ensure your head stays ventilated even on the hottest and most humid days. The mesh design allows for moisture and heat to easily escape these caps, which not only keeps your noggin cool, but you’ll also stay dry as netting will help moisture escape and greatly reduces sweat build-up. ● √ ONE SIZE WILL FIT MOST :The fishing hat’s head circumference 22”-23”,hat Height: 4 ”,which has a long chin strap which is easy to adjust,Unisex. Lightweight(3.5oz)and comfortable to wear, easy to fold up to put in cargo shorts pocket. ● √ThOUGHTFUL DESIGN FOR MULTIPURPOSE USE: Father's Day Gift, outdoor activities, walking, fishing, hunting, camping, gardening, cycling,baseball, golf, tennis,safari cap,etc..