XINDA XDQ9650 Outdoor Speedway Expansion Cave Exploration Safety Helmet Climbing Equipment(Sky Blue)

1. Material: outer shell: ABS + PC; inner shell: EPS
2. Scope of use: rock climbing, mountaineering, expansion, cave exploration, fire rescue, rappelling head-protection, etc
3. ABS material has high strength and good corrosion resistance
4. In the long-term wearing of the helmet will produce internal heat, ventilation holes can effectively dissipate heat, breathable ventilation
5. When the adjusting device is rotated to the left, it can make the head-circumference size bigger; when it is rotated to the right, it can make the head-circumference size smaller
6. Helmet with four headlamp cards (two front and two back), can effectively fix the headlamp, easy to explore the hole and other purposes
7. The inner fabric of the helmet is soft, which is more comfortable when contacting the head, and can reduce the heads injury when subjected to force
8. Applicable head-circumference: 52-62cm