Made in the USA or Imported Ethylene Vinyl Acetate sole MOVE COMFORTABLY. The Youth ThermoBall Traction Mule II combines a super-cozy, fleece-lined upper with a full-length rubber outsole for secure traction, indoors and out. WATER-RESISTANT. Made with a 100%-recycled upper and finished with a Durable-Water Repellent (DWR) finish to help keep feet dry. RECYCLED INSULATION. Take on the cold with superior warmth and recycled materials. Thermoball Eco uses small, round synthetic fiber clusters that closely mimic the way down insulates: trapping heat within small air pockets for warmth retention. RECYCLED OUTSOLE. Move around confidently and with a clear conscience thanks to a 40%-recycled rubber outsole with supreme traction. TAKE ON THE DAY. An essential closet staple, this slipper is a go-to classic. Enjoy a comfortable fleece collar lining and a collapsible heel with elastic side panels for easy on/off. Proudly wear these as a badge of exploration with The North Face.