Dark green Richmond Winter boots by Kuling. The boots have a lightweight design. They have a rubber upper, cozy wool lining and a non-slip sole. – Upper: Other Materials.– Lining: Textiles.– Sole: Other Materials.Size Guide (Insole): 22 = 140 mm 23 = 145 mm 24 = 150 mm 25 = 155 mm 26 = 165 mm 27 = 170 mm 28 = 180 mm 29 = 185 mm 30 = 195 mm 31 = 200 mm 32 = 205 mm 33 = 210 mm 34 = 220 mm 35 = 230 mm