Upper: 100% soft sherpa upper with high stretchability keep kid's feet warm and comfort all the winter.Outsole: The rubber outsole of the girls' and boys' slippers is designed with traction in non-slip texture on outsoles allow kids to run around without the worry of slipping.Insole: Soft velvet-wrapped insole and lining offer kid a 360-degree comfort and warm fit.Slip-on design: Slip-on closure with stretchable collar allows Mom and Dad for quick and easy on and off and prevent falling off.Lifestyle Occasion: This kids slipper is perfect for indoor and outdoor wearing, such as bedrooms, kindergartens, parks, shopping malls, camping etc...