These Amortyl ankle trim boots give you hidden comfort in every step, and style you'll love, too. Smart wedge heel Amortyl shock-absorbing ease Leather sock for breathable comfort Our ankle boots have comfort built in thanks to shock-absorbing Amortyl technology. And there's no shortage of style thanks to the wedge heel and ankle trim - with three great colours to choose from to work with your wardrobe. Easy zip fastening with a removable insole to get your fit just right. The sole is made with recycled materials for a more eco-conscious wardrobe. Zip-fastening. 25% Recycled Sole. Removable Insole. Made from recycled fibres. Heel height: approx. 4cm. Upper/Sock: Leather. Lining: Textile. Sole: Other materials (25% recycled).