Shoei GT-Air Aperture Adult Street HelmetsThe ultimate all-rounder has been updated to meet the demands of today's rider. The shell design of the new Shoei GT-Air 2 has been evolved but remains true to its aerodynamic and stable roots. Featuring an improved ventilation scheme, the GT-Air II includes the lengthened QSV-2 drop down sun visor which provides 5mm more coverage for instant sun relief.Like its flip-up cousin, the Neotec 2, the GT Air 2 has a micro ratchet chin strap and is designed to integrate with the GT-Air II specific SRL 2 Bluetooth Communication System by Sena for a clean and low profile installation.Aerodynamic Shell Design. Aerodynamic properties maximized through extensive wind tunnel testing and professional riders' feedback Multi-piece EPS liner enhances impact absorption and ventilation Molded air spoiler reduces drag and lift as well as diminishes pressure on the rider's neck while riding at speed Sun Shield Visor System. Built-in QSV-2 sun shield gives riders instant relief from sun glare in one quick motion Visor meets ANSI Z80.3-2010 standard for non-prescription eyeglasses Large and easy to reach slider activates the 3D injection-molded inner sun shield Distortion-free shield blocks 99% Of harmful UV rays Forehead area of the outer shell is raised slightly to accommodate the internal sun shield, allowing the integrity of the GT-Air's inner EPS liner to remain intact Ventilation System. Redesigned upper air intake vent positioned to maximize air volume into the helmet interior Enlarged lower intake vent reduces shield fogging and increases ventilation Upper and lower intake vents are easy to operate even with gloved hands Rear/neck vents allow for effective air exhaust Three intake, six exhaust vents Breath guard and chin curtain included Advanced Integrated Matrix (AIM). High performance fiber materials combined with elastic organic fibers to create a shell structure that is ultra-lightweight, rigid and resilient Four shell sizes: XS-SM, MD, LG, XL-2XL Interior System. 3-D Max-Dry center pad and multi-layered, polyurethane foam cheek pads Chin curtain prevents wind entry and reduces noise Cheek pads are replaceable or removable for maintenance Eyeglass compatible interior E.Q.R.S. (Emergency Quick-Release System) allows emergency medical personnel to easily remove the cheek pads from the helmet of a rider involved in an accident, in turn making the Shoei GT-Air more easily removable Micro Ratchet Chin-Strap. 100% Stainless steel interlocking mechanism Quick, smooth and easy to operate CNS-1 Shield System. CNS-1 three-dimensionally curved shield is both wider and taller than the CX-1V it replaces Includes Pinlock Anti-Fog Lens for more coverage of the CNS-1 shield Dual-Ridge window bead increases contact with the shield to reduce wind noise Scratch-resistant shield coating 99.9% Protection from harmful UV A&B rays Safety Certification. DOT Colors: TC-6, TC-3, TC-4, TC-5, TC-6 Sizes: X-Small, Small, Medium, Large, X-Large, 2X-Large SKU: 0119-2006, 0119-2003, 0119-2004, 0119-2005, 0119-2001