Josef Seibel WAYLYNN 13 Womens Biker Boots in Black. Upper Material: Leather, Lining Material: Leather/Textile, Sole Material: Rubber/TPR. These boots have a regular shoe width and a round toe shape. They feature a zip closure and offer comfort and waterproofing. The shoe shaft height is mid-calf, and they weigh approximately 0.9 KG. Additional features include a removable insole. Product Code: 577613-950100.