Details If certified protection at an amazing value isn't reason enough, the feature-rich Specialized Align helmet also includes the Headset SX dial fit system for easy fit adjustment and their 4th Dimension Cooling System for incredible ventilation. Construction In-molded shell improves strength and reduces weight. Fit One-size system, designed for easy and accurate fit to a wide range of head sizes. Headset SX fit system with micro-adjustable dial for easy, secure, and accurate fit. Ventilation 4th Dimension Cooling System optimizes ventilation. Details Tri-Fix web splitter for improved comfort and ease of strap adjustments. Reflective webbing and decals for increased visibility in low-light conditions. Patented clip-on visor included. Light and easy to use U-Turn strap adjusters Specialized Align Helmet