KAILAS Aegis Climbing Helmet Men Rock Rescue Helmet Womens Lightweight Mountaineering Hiking Caving Helmet Adults Work Safety Helmet

Durable & Safe: The ABS plastic shell and the EPP foam lining construction make it a perfect choice for climbing of high difficulty. The materials serve to make it lightweight with excellent impact protection; Certifications: CE/EN certified (CE1015 EN12492).
Fully Adjustable: Comes in 2 sizes to fit with different head sizes; Adjustable chin straps with a buckle; Big knob at the back allows one-handed adjustment even with gloves on; Rear headband can be tucked away for easy transport.
Comfortable & Ergonomic & Versatile: 6 large vents keep you cool and fresh; Padded chin straps reduce chafing; Curved front increases peripheral vision; 4 slots for headlamp and snow goggles.
Activities: rock climbing, ice climbing, mountaineering, alpine climbing, caving, canyoning, tree climbing, via ferrata, zip lining, working at height, fire fighting, rescue, industry use, wind power, team building activities.
Weight: 376 g, 400 g; Size: XS-M (48-57 cm / 19-22.4 inch), M-XL (53-61 cm / 21-24 inch ); Note: For in-between sizes, choose the larger size for adults or the smaller size for kids.