leather winter boots with membrane and wool leather high top winter boots membrane for higher water resistance insulated by wool soft, comfortable shoes, with a flexible sole compared to the original Walk models, the sole is more flexible in the direction of walking and lengthwise, it can be easily bent with stronger pressure firmer in the heel, suitable for children who need a heel optimal shape of the tip, also suitable for the dominant thumb suitable for wider feet and higher insteps zero drop good water resistance, after impregnation they can withstand snow, wet pavements, etc. more detailed description and photos of flexibility: shoes Bundgaard Basil Strap Tex Green