Pioneering GEL cushioning Easy on-off Mono-stretch sock for comfort Locked-in fit Enjoy well-cushioned comfort all-day long with these Asics GEL-Kayano Evo Trainers. The brand's innovative GEL technology takes care of cushioning to happily keep you on your feet. These trainers give a snug fit yet are easy to take on and off thanks to the integrated structure and mono-stretch sock.