Pellor Quick Dry Sun-proof Breathable polyester Mens Cap Camouflage Tactical Round Hat For Outdoor Trekking Hiking Fishing Applicable head circumference: 54-60 cm/21.3-23.6 inch. Classic round hat combined with modernized anti-tear polyester material, stylish, windproof, UV-blocking, and practical. Breathable mesh design, sweat can be exhausted quickly, keep you cool and comfortable. djustable chin strap for secured perfect fitting. Sun-proof and breathable round hat, great companion for outdoor fishing,trekking,etc.