"This helmet is made of sturdy ABS shell with shock-absorbing EPS foam to protect your head from impact. It is breathable, adjustable and moisture-wicking, must-have safety equipment for your outdoor sports. Features: Strong ABS shell and shock-abosrbing EPS foam for ultimate protection. 9 air vents for good air flow and cooling effect. Rotary regulator and adjustable straps for secure fit. Suitable for head circumference: 56 - 62cm (22.0 - 24.4in). 4 clips allow you to mount your headlight on the helmet. Removable, moisture-wicking pads for added comfort. Great for rocking climbing, mountaineering, exploration, caving, skating, and other sports. Specifications: Material: ABS + EPS Color: Blue / Orange / Red / White (optional) Head Circumference: 56 - 62cm / 22.0 - 24.4in Vents: 9 Weight: Approx. 372g / 13.1oz Package Size: 26.4 * 22.5 * 17cm / 10.4 * 8.8 * 6.7in Package Weight: 570g / 1.2lb Package List: 1 * Helmet"