Boot from Kavat. Exterior of chrome-free vegetable tanned leather. Velcro front. Lined with Norwegian-produced wool for the best insulation. Sturdy toe & heel to protect & stabilize the foot. Removable insole made &8203;&8203;of wool. Rubber sole with good grip. Organic & eco-labeled with the EU Flower. Completely free of chromium, Teflon, PTFE & other fluorinated hydrocarbons. By buying these shoes, you will help reduce water & air pollution. Harmful substances avoided & we guarantee the lowest possible environmental impact. Care instructions: If necessary, wipe shoes with a damp cloth & lubricate with wax-based shoe polish. Interior dimensions: EU19 (130mm) EU20 (136mm) EU21 (142mm) EU22 (148mm) EU23 (154mm) EU24 (161mm) EU25 (168mm) EU26 (175mm)