If certified protection at an amazing value isn’t reason enough this feature-rich Align helmet also includes the Headset SX dial fit system for easy fit adjustment and our 4th Dimension Cooling System for incredible ventilation. 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. 4th Dimension Cooling System optimizes ventilation. In-moulded shell improves strength and reduces weight. 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. ANGi crash sensor port.