Skateboard Helmet Impact Resistance Ventilation Rock Climbing Ski Sports Helmet(Purple) The product is shipped based on the color or size of the main image of the product page. Colour:purple MULTI-SPORTING GEAR: These Bike Helmets are flexible and suitable for Multi-sports activities, include cycling, skateboarding, scootering, inline & roller skating. These helmets would be the essential protective gear for any outdoor sports-lovers.Size Chart : Small: 18.1-19.7, Medium: 19.7-22.8'', Large: 20.9-23.2''These Cycling helmets come with an adjustable strap which make it flexible to fit the size of Adult. The flexibility of the strap make it a unisex product and would fit both well for both boys and girls.IMPACT Resistance:These bike helmets are specially designed for Kids / Child Multi-sports Head protection. The material use is tough and durable PVC & PC, EPS foam which would help absorb the impact and protect the head during impact.VENTILATION: Use of multiple vents, special aerodynamic design and breathable foam to reduce sweating and keep staying cool. It also reduces the high body temperature caused by intense body movements.