Gel-Nimbus 23 Knit Men's Size 15The GEL NIMBUS 23 Knit running shoe continues to offer excellent comfort and long run impact absorption. Its improved stability provides a more balanced stride that's followed by smoother transitions. Constructed with comfort and breathability in mind, this shoe features a soft knit design for long runs. Engineered eyelet shaping helps the upper move more naturally with the foot, while a stretchy midfoot panel appropriately hugs the foot to generate