Reach your goals in these shoes designed for long-distance runners. They feature energized dual-density cushioning that works with a flexible outsole to deliver a super smooth, stable ride. A stability rail keeps your stride feeling balanced, and a molded heel counter locks in the fit while allowing the Achilles to move freely.. . . . . Regular fit. Lace closure. Mesh upper; Seamless haptic print overlay. Textile lining; Stretchweb outsole flexes naturally for an energized ride; Continental Rubber gives you superior traction. Dual-density Boost cushioning under arch; Energy Rail midsole helps guide the foot. Breathable, stable feel. . . . Weight: 10 ounces (size 9). Midsole drop: 10 mm (heel: 32 mm / forefoot: 22 mm). Fitcounter heel for unrestricted fit; Solar Propulsion Rail guides the foot; Stabilizing Torsion System. Spot clean. Imported.