SUB CATEGORY : Ride-ons & Scooters • BRAND : SPARTAN • Size : Medium , 54 - 58 CM • This bike helmet is specially designed for adult rider. Material use EPS foam which help absorb the impact and protect the head during crash. • The adoption of specialized aerodynamic and ventilation design allow air to go through the biking helmet which helps increase the speed and keep stay cool. • This biking helmet made of lightweight material, the inner pad use of breathable material to wear comfortably. • This 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 and suitable for both men and women. • Size and Recommended Age: Medium Size 8+