More comfort, fewer distractions: Refined collar and heel construction improve the fit; Dual-density midsole: P35X dual-density midsole offers a soft and energetic ride; Durable traction: Road-specific Vibram outsole improves traction in all conditions; Flexible movement: FootPod technology supports your foot's flexibility and moves naturally with your body; Roomy fit: Altra's signature FootShape fit gives your toes plenty of room to move freely; Promotes good foot health: The Altra Torin 9 received the American Podiatric Medical Association (APMA) Seal of Acceptance, awarded to products found to promote good foot health; Stack Height: 28mm; Shoe Weight: 9.8 ounces