Nike Air Zoom Pegasus 36 Men's Running Shoe is the latest in the line of this iconic shoe. More perforations and engineered mesh have been added to make it even more lightweight and breathable, a partial mesh bootie adds to this by wrapping around your foot and keeping it cool and comfortable. Flywire cables lock your foot down to promote more speed. The full-length Zoom Air unit and beveled heel work together for maximum responsiveness in each transition. A slimmer heel collar and tongue have been introduced to reduce any bulk but without compromising on comfort. Features Perforations on the upper enhance breathability in the forefoot and arch. Full-length Zoom Air unit provides a smooth, responsive ride. Slimmer design reduces bulk for a comfortable, conforming fit. Exposed Flywire cables in the midfoot promote a snug fit at higher speeds. Cushlon ST foam provides firm yet responsive cushioning. High-resiliency sockliner adapts to the contour of your foot for support. Waffle pistons on the outsole help absorb impact and provide multi-surface traction. Reduced tongue weight from the Pegasus 35 contours to your foot. Heel collar tapers away around the Achilles tendon.