Joe Nimble joyToes smooth leather winter boots have a warm thermal fleece lining, adjustable laces and a non-slip Vibram® Terrain sole. Suitable for narrow and medium feet. Fastening: laces Material: waxed nappa leather Lining: thermal fleece Sole: 6mm Vibram® Terrain rubber sole Insole: removable 4mm thick cushioned felt Calf height: 15.5cm Made in Germany We recommend taking care of smooth leather shoes with Goldenmix conditioner, which cares for and protects the leather and makes the shoes more moisture-resistant. Minimalist measurements for the joyToes model UK size EU Size Inside length 4 37 24 4.5 37.5 24.5 5 38 25 5.5 38.5 25.2 6 39 25.5 6.5 40 26 7 41 26.6 7.5 41.5 27.1 8 42 27.5 8.5 42.5 28