1. Our spring sunshade hats are made of polyester, weighing about 80 grams, light and comfortable, with a soft sweatband, and breathable. 2. Our breathable hat adopts a unique design. The brim is designed with a retractable and elongated sun visor brim to protect your face from strong ultraviolet rays in the summer, and the empty top even in the hot summer It can also make you feel cool. 3. Our travel hats are very suitable for summer outdoor sports, such as tennis, golf, running, fishing, hiking, jogging, etc.