100% Cotton Tie closure Made of high quality cotton, super soft, breathable and durable to wear. Washable and quick-drying. Full Protection: wide brim, neck & face flaps provide optional extra coverage, block harmful UVA & UVB rays effectively and prevent from wind, dusts, sands, insects at bay. It also protects skin from the elements and the mask can protect face from dust. The moisture wicking sweatband keeps sweat out of your eyes and makes your head breathable in sunny with strong sunshine. Removable and foldable, fine collapsible, easy to carry, folded for storing in your backpack. Great accessory for girls and ladies. Perfect for swimming, fishing, mountaineering, hiking, camping, garden work, beach, travel and other outdoor activities. Head Circumference: 20.5-22.8in. Product size: 7.1 * 7.9in(brim length not included). One size fits most: adjustable size provides a comfortable fit.