Our products are specially designed for Multi-sports activities, such as skateboarding, cycling, BMX biking, inline & roller skating. Safety protection is our primary concern and we will continue to provide the best products for our customers. Adjust the strap and side buckle when feeling too tight or too loose, and they can wear it comfortably. Impact Resistance THis helmet is an anti-shock function. That's why our skate helmets use a quality hard shell, tough and durable PVC, and PC and EPS foam to protect the head from direct impact and absorb the impact at a reasonable level.