This cycling helmet is made in a modern design, shape and has an E.U. approval, the outside of the helmet is made of PVC and the inside is made of shock-absorbing EPS foam. The helmet is designed and manufactured by Seven Polska for the safety and protection of the head during cycling, rollerblading, skateboarding, etc. and is decorated with colorful image of Avengers. The helmet has straps on both sides snapped under the chin with a Quick Release Pull Buckle chin strap closure, an adjustment knob allows you to quickly and conveniently adjust the head circumference of the helmet for the right fit. There are several ventilation holes in the shell of the helmet.