Details: The Tipperary T-Series T2 helmet has a patented fit-form technology and has a vented design with light weight ABS shell over EPP liner. It features a multi pint quick-click buckle with leather harness closure. It is designed to fit a variety of head shapes. Drop back shell design increases skull protection, retention and stability. It has a removable washable liner and a 10 front vents and 3 rear exhaust vents for maximum ventilation. ASTM-SEI certified Cert. Mod. ASTMF1163-04A.