Lean In UV 50+ Protection Outdoor Multifunctional Flap Jungle Camouflage Hat Neck Protection Cap with Removable Sun Shield and Mask Perfect for Garden Work Activities Fishing Hiking Material: Quick-drying material 360 degrees azimuth design protection sunscreen, anti-mosquito design Great for outdoor activities such as snowboarding, skiing, cycling, hiking, fishing, etc. High quality Waterproof Quick-drying fabric, Mesh,absorb sweat, breathable, UV resistance One Size Fits Most. Hat circumference size21.7-23.6 Inch(55-60 cm)