WATERPROOF : The hat is fully waterproof with an outer knitted layer, a warm fleece liner and our unique STORMACTIVE 100% waterproof membrane sandwiched between. Keep your head warm and dry without being obscured by large, bulky hoods. Perfect for all outdoor leisure activities and sports to keep you comfortable and dry at all times, whatever the weather. USB RECHARGEABLE : built in and removable rechargeable LED bright light with 10 hours runtime and built-in USB connector for charging. Charge from any USB port, PC, car charger or portable power bank. Easy and convenient to use. No extra cables required. SIZING: Unisex one size - the hat is stretch fit with high elasticity so can fit most head sizes comfortably up to 61cm. Suitable for men, women and kids. VISIBILITY & SAFETY: there are 3 brightness options in our LED waterproof beanie ensuring you can see clearly in the dark. With a range of up to 10 metres, the headlamp offers greater visibility and protection to the wearer. No more scrabbling round to find your head torch! Keep your head warm, dry and light your way all in one go! MULTI-USE: Ideal for dog walking, hiking, camping, fishing, hunting, cycling, running, jogging or any other activity requiring hands-free lighting and/or protection from the rain. Perfect for keeping kids safe, warm and dry whilst travelling to and from school.