Lightweight and breathable gray children's helmet. Size S New and unused. * Excellent Quality & Lightweight The outer shell is made of high-density ABS, which has characteristics such as heat resistance, impact resistance, and high hardness. The helmet interior is filled with 2cm thick EPS cushioning foam, and the all-around protective cushion reduces and mitigates strong external impact forces, protecting the head securely. The lightweight design reduces the burden on the child's head and neck while cycling, allowing for comfortable use. * Breathability The outer shell has 11 ventilation holes, providing good breathability and suppressing internal heat and stuffiness. The liner is also made of breathable mesh material, reducing heat and stuffiness that can build up inside the helmet. The soft cushion can be removed and washed, solving hygiene issues and allowing for long-term use. * Head Adjustment Dial The head circumference can be quickly adjusted with a dial. You can adjust it to fit your child. It also comes with a child-friendly chin strap and an all-around 3D protective cushion. - Color: Gray - Breathability: Good - Features: Lightweight and comfortable - Safety: For children, heat resistant - Size Adjustment: Adjustable strap Thank you for looking. R10