Outdoor Sports Safety Helmet Mountaineering Rock Climbing Wading Caving Protective Helmets

Features: 1. Made of polyurethane material, solid, durable and safety. 2. With 12 air vents, effective for ventilate and cooling. 3. Safety adjustable system, inner of helmet is soft and comfortable, reduce damage of head under stress. 4. Adopts buckles, easy to wear and remove. Suitable for head circumference of 53 63cm. 5. Suitable for mountaineering, rock climbing, rappelling, caving, drifting, wading, window cleaning, cycling, skateboard, roller skating, construction, scaffolding, and other outdoor activities. Specifications: Material: Polyurethane Color: Yellow Inside girth: Approx. 53 63 cm 20.87 24.80 inch Inside Length: Approx. 16 20 cm 6.30 7.87 inch Inside Width: Approx. 17 cm 6.69 inch Height: Approx. 14 cm 5.51 inch Packing List: 1 * Safety Helmet.