The ASICS Gel-Kayano 31 is the perfect support shoe for those long runs. Built with FF BLAST PLUS ECO foam, the midsole is designed to be as comfortable as possible over bigger distances. Equipped with the Hybrid ASICSGRIP outsole, built to provide the maximum amount of grip on the go. The Gel-Kayano 31 features ASICS 4D Guidance System which helps create adaptive stability for a more balanced stride. FF BLAST PLUS foam in midsole. ASICS 4D Guidance System on board. Hybrid ASICSGRIP outsole.