Fabric type 100% Syntenic Fabric Sole material Thermoplastic Elastomers Outer material TPR (Thermoplastic Rubber) Closure type Hook & Loop 【FLEXIBLE SOLES】: Not your average clunky winter boots! These toddler boots move with your child’s feet so they can walk, run, or jump freely. Slip resistant soles offer maximum grip with extra toe cap protection. 【INSULATED & FLEECE-LINED】: These winter boots for toddlers are insulated for guaranteed warmth and are temperature rated -10C°. Fully lined with plush Sherpa fleece lining. 【EASY-ON】: Easy for kids to put on all by themselves with smart shoe-tongue and generous hook-and-loop strap adjustment. Perfect for wide chubby toddler feet! 【WATER-RESISTANT】: The perfect cozy toddler boots for playing in the snow or wearing around town. 【EASY CARE】: Simply rinse them off under running water and wipe clean! Machine washing is not recommended.