Key benefits and features Allseason sun protection and comfortable fit: This bike helmet fits head sizes from 54 to 62 cm. It features a light, snug design and a wideangle shape that does not obstruct vision, while also protecting from the sun. The head circumference is adjustable for a comfortable, secure fit. Enhanced head protection: The helmet combines a sturdy shell with a shockabsorbing liner to cushion impacts and reduce the risk of head injury during riding. Comfortable, easy to keep clean: The inner lining is removable and washable, making daily cleaning simple. The design stays cool and breathable, helping you stay comfortable on longer rides. Durable and reliable construction: A density buffer layer is designed to resist and absorb shocks. Built with quality ABS material and sponge padding, this helmet provides reliable protection and comfort during your ride. Specifications and materials Brand/model: bke helmet Target fit: 54–62 cm head circumference Shell material: ABS Padding: Sponge/foam Liner: Removable and washable Design emphasis: Allseason sun protection, breathable interior, adjustable fit Usage scenarios Daily urban commuting: Comfortable, sunprotective helmet for city rides and daily errands, with easy adjustment for a secure fit. Recreational cycling: Suitable for weekend rides and family outings, offering breathable comfort and reliable protection. Light offroad or scenic rides: Provides protection and visibility on sunlit trails while remaining cool and comfortable.