Kids' Unden Boot from PAX are warm lined winter boots for children. With a warm wool lining in VENTAIR® technology, little feet are kept both warm and dry. VENTAIR® is a membrane that makes the boot both windproof and waterproof, while keeping the feet ventilated.\n\nAll shoes from PAX are free from PVC, Teflon, hexavalent chromium, PTFE and other fluorinated hydrocarbons.Upper: PU/Nylon/RubberLining: wool blendInsole: FeltOutsole: TPR Pax Kids' Unden Boot Mud/Black | Buy Pax Kids' Unden Boot Mud/Black here | Outnorth