So comfortable you won't ever want to take it off. The Troy Lee A3 MTB helmet is a high quality mountain bike helmet with luxurious comfort, patent-pending innovations in safety, ventilation that will you keep you cool on the longest climbs with comfort and coverage to protect on the sketchiest of descents. Highest possible score (5-STAR) from Virginia Tech helmet safety lab so you can feel confident in all conditions.Key Features:The latest evolution in TLD trail helmets with MIPS TechnologyAdjustable visor with goggle storage and Automatic Magnet SystemEPS and EPP for high-speed and low-speed impact energy managementSmart shear visor screws to prevent damage to the helmetTLD V3 precision fit with 3 levels of height adjustTLDs deepest coverage half shell helmet16 vents with optimised channelling for breathabilityRemoveable Sweatglide system for hygiene2-piece antimicrobial and quick dry linerV2 Fidlock-Magnetic BuckleWeight: ~375gTroy Lee Designsall-new A3 helmet builds on the succ