Approved for city use. Field tested. Designed for both road and trail, the new Challenger 7 has been completely redesigned. It combines a streamlined mesh upper with new soft foam, an increased stack height for a more comfortable feel and the addition of the proprietary rubber bottom unit, plus a reinvented outsole for a better all-around ride. ground. Inspired by gravel tyres, smaller, closely spaced lugs in the center and larger, edgier lugs on the perimeter are added to improve traction on rough terrain.
