Burton Youth Grom Oversized Shred Ready ™ hook-and-loop straps provide a quick, easy on/off that he can do on his own.Thinsulate™ insulation will keep his feet warm and toasty, so he"ll be able to go run after run.RoomToGrow™ footbed allows him to use this boot for more than one season.GromTech™ outsole is ultra-soft, providing traction. SpecificationsSupport: 1.Lacing: Shred Ready Straps.Liner: Linerless with Thinsulate™ Insulation.Cushioning: EVA cushioning.Comfort: Extra-soft GromTech Outsole Construction and EVA Room-To-Grow Footbed.Measurements:Weight: 1 lb 2.3 ozCircumference: 11 1⁄2 inShaft: 7 inProduct measurements were taken using size 2 Youth M. Please note that measurements may vary by size.