-. Brand : Generic -. Feature : Ventilation: 21 Flow Vents. The adoption of specialized aerodynamic and ventilation design allow air go through the biking helmet which help increase the speed and keep stay cool and comfortable. / Adjustable: This adult cycling helmet goes with a standard size, equipped with the easy-use dial system and side straps make this nutcase helmet adjustable to different head size. / Lightweight: This biking helmet made of lightweight material, weights only 210g, the inner pad use of breathable material to wear comfortably. / Impact Resistance: This cycling helmet is specially designed for adult rider. Tough and durable PC material. EPS foam which help slow down the impact and protect the head. / Safely: This helmet includes a reflective strip to further enhance visibility while on the road. -. IsAutographed : 0 -. IsMemorabilia : 0 -. Label : Generic -. Manufacturer : Generic -. MPN : Generic -. PartNumber : Generic -. ProductGroup : Sports -. ProductTypeName : OUTDOOR_RECREATION_PRODUCT -. Publisher : Generic -. Studio : Generic -. Title : Adult Bike Helmet Safety Protection 21 Integrated Flow Vents Adjustable 52-61cm