Beal's most advanced helmet uses expanded polystyrene to disperse and absorb energy both laterally and vertically after an impact. Coverage extends from the top to the sides, and for a comfortable fit, it micro-adjusts via a dial and includes a magnetic chin strap. Once it gets dark, the shell's four integrated headlamp clips assist with illumination.. . This product will be shipped directly from Beal and will leave their warehouse in 2-3 business days. Eligible for ground shipping only. . Made out of expanded polystyrene. . Low weight design: 240 grams/8.5 oz.. . Ideal for multi-pitch routes and mountaineering. . Sized 22 to 24 in.. . CE Certified. . Imported. .