Feature: 1. Sun protection hard hat: The lightweight arc and neck protection hard hat liner can protect your neck and ears from heat and hot sun; The material is soft and flexible, which is designed to keep you cool and comfortable. 2. Absorbent and sweat wicking: Hard hat neck shade is comfy to wear, helping absorb the sweat, covering your neck from the sun, and keeping the sweat out of your eyes, providing you with breathable and comfy wearing experience. 3. Lightweight and comfortable: The inner cap made of silk ice fabric is soft, comfortable and skin-friendly. When you can soak the neck protector in water, it can increase the cooling effect. Put it on your head and forget that it is in There, one size fits most hard hats. 4. Fit the hardhat : The hard hat liner fits on your head underneath a hard hat, the hard hat liner is soft, lightweight and skin-friendly, which can make you relaxed without burden. 5. Wide range of application: Good elasticity makes the sunscreen hat liner fit for most people and head circumference; The elastic hard hat neck sun shade can give you a good protection, it can be applied as a sport cap for different outdoor activities, such as fishing, riding, golfing, hiking, traveling, camping and so on, making your sport time more relaxing and enjoyable. Specification: Material: Ice silkColor: Black+Gray+White+Blue+Navy+Army GreenSize: Free size, flexible adjustmentPurpose: Helmet liningApplicable scenarios: Cycling, golf, fishing, horse riding, rock climbing, etc. Package List: 6*Helmet lined cap