The ASICS GEL-Kayano 27 is made for stability and comfort underfoot. Take your run to a new level with these amazingly cushioned kicks. Engineered jacquard mesh upper for breathable comfort. Sockliner feels smooth and adds some cushioning. Women's model features slightly more foam. Layer of Flytefoam in the midsole adds cushioning underfoot. Space Trusstic technology delivers stability and reduces weight for a smooth transition from heel to toe. Segmented heel design allows compression with every footfall, reducing strain and shock. Deeper flex grooves in the forefoot ensure a more natural stride. Light AHAR sponge rubber with a super AHAR heel plug for traction and durability.