There are the models Bikila Vibram Five Fingers, Vibram Five Fingers Performa Performa & Jane, Vibram Five Fingers Moc, Speed Vibram Five Fingers, Vibram Five Fingers Trek & Glove. The Bikila are similar to the KSO, however, from a different material, almost like stretch and still breathable. The speed is slightly padded interior and cords. The trek, Performa and Moc are made of leather, the trek from the Performa suede & Moc from Kangarooleder with buckle and snap.there have all colors and all sizes which you need,welcome to order on our site,It is the best choice for you!