Ilse Jacobsen rain boot - long, classic with laces - dark indigo. Ilse Jacobsen have chosen to make all Ilse Jacobsen rubber boots out of the finest single-estate 100% natural rubber from sustainable harvests. This pure, natural rubber is mixed with their own secret recipe, making the fundamental composition 80% pure, natural rubber and 20% secret recipe. Entirely PVC-free, Ilse Jacobsen boots contain no animal by-products. To make sure that your feet stay dry and comfortable, they have lined all Ilse Jacobsen rubber boots with a mixture of 60% viscose and 40% cotton. They have placed nice and warm inner soles in them, made of 45% viscose, 35% polyester & 20% poly-acrylic. Ilse Jacobsen rubber boots soles are made of oil-resistant lightweight EVA, withstanding temperatures down to -40 degrees Celsius and the rubber uppers withstand temperatures down to -20 degrees Celsius.The production line for assembling each boot is a slow process, as every part of the boot is handmade and assembled by hand. Consequently, each pair of boots have an unique appearance. Was with lukewarm water and soft soap and use Ilse Jacobsen care products: sponge or silicone oil to obtain the best maintenance of your boots. The laces are made of 100% cotton, and can be adjusted to fit your legs perfectly. 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 rubber boots are ideal for outdoor activities, rainy and snowy days or as fashion boots in both urban and suburban settings. Made specifically to deal with wind and water. Ilse Jacobsen rubber boots can help you love the rain. Ilse Jacobsen rubber 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. Rubber boots with laces designed by ILSE JACOBSEN • Hornbæk have become a design icon in Scandinavia.