Short rubber boots by Ilse Jacobsen, featuring an anti-ice outsole with a rough surface, providing the best possible traction. These handmade Chelsea wellingtons are made of the finest single-estate natural rubber from sustainable harvests. This material can withstand temperatures down to -20 degrees Celsius. Entirely PVC-free,  these boots contain no animal by-products. Rubber composition: 52% pure, natural rubber and 48% secret formula. The lining composition: 60% cotton and 40% polyester. Insole composition: 60% cotton and 40% polyester. Outsole: Light weight EVA. To keep your boots in great condition for many years to come, we recommend that you treat them with our oil once a month.