The Men's Nike Free RN 2017 Running Shoe brings you miles of comfort in an updated version with reduced layers and weight. A breathable circular-knit upper and a tri-star outsole pattern adjust to your foot's every step, delivering support and flexibility

• Updated, circular-knit upper supports with an improved one-to-one fit
• Low-profile cushioning and rounded heel encourage natural footstrike
• Auxetic tri-star outsole pattern expands with your step for flexible cushioning
• Dynamic Fit technology is achieved through Flywire cables integrated with the laces for an adaptive, supportive fit
• Minimal, molded sockliner mimics the curvature of the foot to add support
• Segments of solid rubber under the toe and heel enhance traction and durability in these key wear zones
• Lighter, simplified experience
• Weight: 8.4oz (men's size 10)
• Offset: 8mm (14mm/forefoot, 22mm/heel)
• Last: QD-39
• Textile (100% Polyester)
• Synthetic Plastic