These handmade rubber boots can withstand even the hardest torrential downpour. Made specifically to deal with wind and water, our rubber boots can help you love the rain. This pure, natural rubber is mixed with the Ilse Jacobsen secret recipe, making the fundamental composition 80% pure, natural rubber and 20% secret recipe. Entirely PVC-free, our boots contain no animal by-products. The result is a sturdy and reliable companion for rainy days. To make sure that your feet stay dry and comfortable, they have lined these rain boots with a mixture of 60% viscose and 40% cotton. In addition to this, they have placed nice and warm inner soles in them, made of 45% viscose , 35% polyester & 20% polyacrylic.