Modern, fully peaked shell style helmet with ventilation holes and inner adjustable harness. Features 3-point height adjustability on rear of harness, and 2-point adjustability on front. One size fits all. Tough HDPE shell - In tests the EVO®3 proved far tougher than the EN397 standard required and far tougher than any of it's competitors. A 6-point terylene cradle harness system offers unrivalled comfort without compromising performance. Replaceable Chamlon Cotton Sweatband. Ratchet Adjustment Strap