Sketchy rock drops on ledgy sandstone. Mach speed tunnels through alpine forest. Picking the smooth line amongst slippery river rocks. Trail riding can mean a lot of different things. Our top-of-the-line trail helmet, the Sixer, is designed to handle it all. FEATURES: 4-position Adjustable Visor Adjustable Visor Dual Flow Ventilation™ Exposed Polycarbonate Roll Cage Float Fit Race™ (integrated with MIPS) Fusion In-Mould Polycarbonate Shell Integrated Breakaway Camera Mount MIPS®️-Equipped No-Twist Tri-Glides™ Progressive Layering™ Sweat Guide™ Padding X-Static® Padding SPECIFICATIONS: Weight: 410 Grams Vents: 26, 4 brow ports Size: Small 52-56cm Medium 55-59cm Large 58-62cm, X-Large 61-65cm Complies with the US CPSC Safety Standard for Bicycle Helmet for Persons age 5 and older.