FULL UV PROTECTION: Fishing hat for men have extra large wide brim of 4.9in / 12.5cm and big neck flap of 9.8x15.7in / 25x40cm. Summer hats for women provides UPF 50+ UV protection to effectively protect your face, neck and ears from the harmful sun rays. BREATHABLE & COOL HAT: Cooling hat with large area mesh side vents is made for superior airflow. This safari hats for women is made of nylon quick-drying fabric, the internal moisture wicking sweatband to stop the sweat from running into your eyes. Nylon Fastening: Drawstring,Flap,Strap FOLDABLE AND ROLLABLE: Sun hats for women can be folded in half or roll up while its shape can be restored back very soon. With a portable and lightweight design, carry the mens sun hat inside your bag, backpack, or luggage easily to saving you lots of space. UNISEX ONE SIZE: Sun hats head circumference is 21.6-23.6in / 55-60cm with an elastic band and adjustable strap on the back, suitable for different head sizes. This sunhat is great for beach, pool, park, camping, boating, fishing, hiking, gardening or any outdoor sports and activities. ADJUSTABLE DRAWSTRING: This boonie hats with an adjustable chin strap for fixing the cap, especially on windy days. And another drawstring behind the fishing hat is for adjusting the beach hats circumference to make it most suitable.