The new Bestial Wolf Shell Helmet is possibly one of the lightest helmets in the market, offering great comfort, with an ergonomic design. Made of polyurethane, light, flexible and with foam to protect against collision. Available in 4 colours: black, green, red and blue. Size: Universal Helmet: 52 cm to 59 cm diameter. It can be adjusted to the desired size by a regulator at the back of the helmet. Weight: 300 gr.