adidas PureBOOST GO Men's Running Shoes Core Black/Scarlet/Clear Orange : Designed to keep you connected with your concrete jungle, the adidas PureBOOST GO running shoes are sleek and streamlined in their low-profile design. A flexible, knit upper and a wider forefoot platform provides runners with a natural, more adaptive fit on the run. Stretchweb rubber on the outsole marries with the Boost cushioning to give runners energized feedback for miles. Upper: Unique stretch air mesh upper materials allow for a terrific fit and great performance by allowing for stretch while supporting the foot. Innovative lacing system removes the need for many lace holes, eliminating pressure on the top of the foot. Midsole: Full-foot boost midsole provides unmatched energy-return and superior cushioning. Outsole: The Stretchweb rubber outsole provides enhanced cushioning and smooth transitions.