.top{margin-bottom:30px;}.top li{margin-left:5%;margin-right:5%;margin-top:10px;line-height:120%;list-style-position:outside;} Sleek styling, a simple and secure buckle, cool graphics, and youth-oriented sizing make the Shuffle Youth SB helmet the perfect choice for your kids. Complies with U.S. CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older. 4th Dimension Cooling System to optimize ventilation. Headset SX fit system with youth oriented sizing that's designed for an easy and accurate fit. In-molded shell improves strength and reduces weight. Patented clip-on visor included. Reflective webbing for increased visibility in low-light conditions. Standard buckle design Stylish, youthful designs complement our bike graphics and colors. Tri-Fix web splitter for improved comfort and ease of strap adjustments.