RETRACTABLE SIDE SUN VISOR: 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. EXCELLENT MATERIAL: Our spring sunshade hats are made of polyester, weighing about 88 grams, light and comfortable, with a soft sweat band, and breathable. Fashionable and beautiful, it is a very good sun protection equipment for summer travel. SIZE: Our women's sports hat has a brim length of 9.5CM, a brim width of 21CM, 32CM after opening the retractable brim on both sides, a cap circumference of 55-60CM, and a Velcro adjustable back cover, suitable for most people. MANY OCCASIONS: Our travel hats are very suitable for summer outdoor sports, such as tennis, golf, running, fishing, hiking, jogging, etc. A GREAT GIFT: our hats are breathable, comfortable, light, and sun-shielding. It is a very good gift for friends, mothers, colleagues in summer, spring, autumn, Valentine's Day, Mother's Day.