Vivobarefoot trekking shoes with lightweight and flexible soles. - Brand: Vivobarefoot - Color: Black - Model Name: Primus Trail Knit FG - Features: Lightweight, flexible sole - Uses: Trekking, outdoor activities Thank you for viewing. This is a black pair of Vivobarefoot Primus Trail Knit. The size is 42. Includes insoles. I am selling these because the size doesn't fit me anymore. The soles show some wear, but they are still wearable. If you are interested in Vivobarefoot or want to try them out, how about these?