Offering breathable support with superior cushioning, the Nike Air Zoom Pegasus 33 Shoes for men have a no-sew overlay for durability. The flex grooves allow for natural range of motion & the waffle pistons on the outsole provide multi-surface traction while Air Zoom units in the heel & forefoot offer a soft stride. Flex grooves allow for natural range of motion Waffle pistons on the outsole provide multi-surface traction Air Zoom units in the heel & forefoot offer a smooth ride No-sew overlay for durability