Material: Polyester Color: black, white, pink, rose red, light beige, sky blue, light gray Size: adjustable, one size Cap circumference: 55-60cm Function: sun protection, shading Applicable gender: neutral/male and female 11. 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 in the hot summer can make you feel cool. 2 2. 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. 3 3. SIZE: Our women& 39 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 hook and loop fastener adjustable back cover, suitable for most people. 4 4. MANY OCCASIONS: Our travel hats are very suitable for summer outdoor sports, such as tennis, golf, running, fishing, hiking, jogging, etc. 5 5. 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& 39 s Day, Mother& 39 s Day.1*