Lazer Max Helmet - Kids 2-5 Lazer Max Lion fits up to 54cm Youth Helmet HE3367 Turnfit System to adapt the fit within the helmet with a twist, Quick-release buckle Shell designed for child's head with special neck reinforcement, Insect net under shell Reflective stickers for added safety at night, Velcro-fastened pads for easy change and cleaning. Weight 250g