Ilse Jacobsen rubber lace-up boot long - black for men. Made specifically to deal with wind and water. This pure, natural rubber is mixed with Ilse Jacobsen own secret recipe, making the fundamental composition 85% pure, natural rubber and 15% secret recipe. Entirely PVC-free, Ilse Jacobsen boots contain no animal by-products. To make sure that your feet stay dry and comfortable. Ilse Jacobsen boots are lined with a mixture of 60% viscose and 40% cotton. In addition to this, Ilse Jacobsen have placed nice and warm inner soles in boots, made of 45% viscose, 35% polyester & 20% poly acrylic. The soles of the Ilse Jacobsen boots are made of lightweight EVA, withstanding temperatures down to -40 degrees Celsius and the rubber uppers withstand temperatures down to -20 degrees Celsius. Each pair of boots have a unique appearance. The soles are warm isolating, very light and oil-resistant. Was with lukewarm water and soft soap and use Ilse Jacobsen Hornbaek care products: sponge of silicone oil to obtain the best maintenance of your Ilse Jacobsen rubber lace-up boots. Ilse Jacobsen rubber boots are ideal for outdoor activities, rainy and snowy days or as fashion boots. While our laces are machine-washable, we recommend that you place them in a washing bag first. so that they don't tie themselves into knots. Ilse Jacobsen boots run large to size. Ilse Jacobsen suggests that for proper sizing, please order the Ilse Jacobsen boots 1/2 to 1 size smaller than your normal shoe size.