Model: 1 ; Color: Matte Black Fade Highlight Yellow ; Size: Small ; Spherical Technology, unique Ball Socket design, powered by MIPS, redirects impact forces. ; Progressive Layering, dual-density foam liners address highand low-speed impacts. ; Roc Loc 5 Air Fit System offers on-the-fly fit tension and vertical adjustment for added comfort and stability. ; Plush, quick-drying XT2 comfort padding fights off odor and bacteria, and helps the helmet stay fresher, longer. ; 15 vents and deep internal channeling, Full lower hardbody coverage, Reflective decals ; ; ADVANCED PERFORMANCE FOR THE ADVENTUROUS. The heart of the Helios s extraordinary design and performance is Spherical Technology, which utilizes a ball-and-socket design powered by MIPS, the market-leading protection system that can help to reduce rotational forces. Spherical Technology allows the helmet s outer liner to rotate around the inner liner during a crash, and also allows Progressive Layering of the inner and outer liners to provide more comprehensive protection and performance. In addition to advanced head protection, the Helios s 15 Wind Tunnel vents provide exceptional cooling power that s enhanced by our patented Roc Loc 5 Air fit system and plush, XT2 padding for exceptional sweat absorption. It s the ideal match for your road and gravel adventures.