adidas FORTATRAIL EL adidas FORTATRAIL EL girls’ outdoor shoes are made partly from recycled materials. These shoes will ensure your child experiences outdoor adventures to the fullest. The sturdy upper is made of insulating foam and it has a fleece lining that will keep your feet warm. The Traxion sole ensures stability even on slippery and muddy surfaces. The upper is made from a range of recycled materials and contains at least 50% recycled fibres. These shoes are a part of the war against plastic waste. adidas FORTATRAIL EL