Evolve Skateboards Helmet Safety first! A must for all rides. Low profile and light-weight Evolve helmet with rear strap. Adjustable sizing controlled by a dial at the back of the helmet. Protect your head in style. One size fits most. Available in black or olive. Conforms to Australian and New Zealand Standard: AS/NZS 2063:2008 * The helmet is an adult size large but fits most people up to 60cm.