The A1 helmet was celebrated for being the most comfortable helmet ever made. The A2 helmet is known for being one of the most ventilated and safest helmets on the market. Years of expertise with these helmets have now culminated in the most advanced half-shell trail helmet ever produced - the A3. This model sets a new benchmark for safety, style, and superior comfort. So comfortable, you'll never want to take it off. It features MIPS® Multi-Directional Impact Protection System as the industry's leading defense against angled impacts. Dual Density EPP + EPS helmet liner offers top-notch protection against high and low-speed impacts. Fidlock® magnetic buckle allows for easy, one-handed opening and closing. Breathable, antimicrobial X-Static® helmet padding enhances comfort. Integrated moisture management system. Large intake and exhaust vents with internal ventilation channels for maximum cooling efficiency. New 3-position adjustment system allows for precise fit. Extended helmet shell at the rear for optimal protection in trail and enduro use. Patented 3-position visor adjustment system with space for goggle positioning. Compatible with large sunglasses for seamless use. Exceeds certifications: CPSC 1203, CE EN 1078, AS/NZS 2063.