These Strachan II snow boots are insulated and lined to ensure comfort and warmth. The adjustable touch fastening strap allows for the perfect fit. They are boys snowboots, insulated and warm fleece lined with a waterproof rubber shell outsole. The upper is water resistant textile and features an adjustable touch fastening strap and a sherpa fleece collar. Upper: 60% Textile/Sherpa fleece, Lining: Fleece, Outsole: 40% Rubber. Thick padded for a comfortable fit, it is recommended to go one size up.