The Men's MBT Kisumu 3S Black, designed by Bill Bowerman and released in 1972. Feel the wind on your feet as you move forward in these open sandals. Full grain leather straps finished with a microfiber footbed, our signature MBT patented rocker sole and non-marking outsole. Sock-like construction provides a superior fit. Flex grooves are cut into the outsole for a flexible feel. Huge Discounts on MBT Kisumu 3S Black in Switzerland Online Shopping is very popular. The Style is 700442 which in new MBT Casual series. Rubber and IU foam outsole provides traction on a variety of surfaces. MBT Kisumu 3S Black | Huge Discounts on MBT Casual, 700442 Full-length EVA midsole for responsive, lightweight cushioning with every step. Each Flyknit yarn has been dipped in TPU so no additional coating is required, maximizing ball-to-foot contact.