The Concept is the helmet that tore up the rule-book. Manufactured from high quality, strong ABS material, the Concept is 20% lighter than most other helmets. · · · 6-point terylene cradle harness system · · HydroFlock sweatband · · Full and reduced peak · · Compatible with Connect face and hearing accessories · · Compatible with ArcPro system · · Vented helmet approved to EN 397 and EN 50365 · · Available in packs of 30