Upper Material: Leather. Lining Material: Sheepskin. Sole Material: Crepe. Fastening Type: Lace. Removable Insole: No. Boot Leg Height: 11 cm. Stylist Notes. Celebrating the Desert Trek\'s 50th anniversary, the silhouette\'s high-top iteration arrives in textured forest green suede this season. This incredibly soft and flexible style is crafted with a real shearling lining, for complete warmth and a glove-like, natural fit that shapes to the foot for total comfort all season.