1.The upper material is made from Australian Merino wool, which is super soft and comfortable. It not only retains the advantages of warmth and softness of wool shoes, but also solves problems such as skin irritation and pilling. It is uniquely delicate, breathable, temperature-controlling, and sweat-absorbent. Let your feet experience unparalleled comfort.
2.100% Waterproof wool,easily deal with the stains during travel.
3.The Lining is made of 78% recycled fiber "Thinsulate" thermal insulation cotton launched by 3M Company of the United States. The one-meter "Thinsulate" is made of 5 recycled plastic bottles, which can be used for recycling and can effectively reduce gasoline consumption. The ingenious combination of "Thinsulate" ultra-fine fibers can form a perfect air insulation layer to reflect the body heat, and achieve the best thermal effect"