Details Sleek styling, cool graphics, and youth-oriented sizing make the Specialized Shuffle Youth LED Standard Buckle Helmet the perfect choice for your kids- day or night. You'll also find that it's equipped with next-level protection courtesy of revolutionary MIPS technology (Multi-Directional Impact Protection System). Construction MIPS-equipped In-molded shell improves strength and reduces weight Fit Headset SX fit system with youth oriented sizing that's designed for an easy and accurate fit Tri-Fix web splitter for improved comfort and ease of strap adjustments Ventilation 4th Dimension Cooling System to optimize ventilation Details Complies with U.S. CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older Integrated LED tail light for increased visibility in in both bright and low-light conditions Reflective webbing for increased visibility in low-light conditions Stylish, youthful designs Patented clip-on visor included Helmet Size OSFM Youth (7-10Y+) = 52-57cm / 20.5-22.5" Weight ∼.75 lbs Specialized Shuffle LED MIPS Helmet Youth