The pack of four Boreo Club helmets is dedicated to groups and communities. Robust and very versatile, it is suitable for climbing, mountaineering, caving, via ferrata, and canyoning. Thanks to the hybrid construction, the helmet is both compact and covering. The protection against lateral, front, and rear impacts is reinforced. Hard outer shell, shock-resistant and scratch-resistant to provide optimal durability. Hybrid construction with a thick ABS shell, an EPP foam inner shell, and an EPS foam inner shell promoting compactness on the head. Soft headband perfectly fitting the shape of the head, retractable inside the helmet for easy storage and transport. Designed according to the TOP AND SIDE PROTECTION label from Petzl. Covering design, lowered at the back, for enhanced protection. Very easy to clean, thanks to the closed-cell comfort foams that do not absorb water or sweat. Identification by Datamatrix code for quick product control. Product delivered in sets of four with a manual and without packaging. Shell made of ABS, inner shell made of expanded polypropylene (EPP), inner shell made of expanded polystyrene (EPS), straps made of polyester. Certification(s): CE EN 12492, UIAA. Product delivered in sets of 4. Weight: 295 g in size M/L. Size: S/M for head circumference of 48 to 58 cm in Blue Jean colour and M/L for head circumference of 53 to 61 cm in White colour.