Men's Asics Gel Kayano 21 Running Shoes. Get the greatest and latest updates in technical innovation with the Asics Gel Kayano 21! These running shoes feature FluidFit™ uppers for a custom fit, FluidRide™ for improved bounce back and durability, and OrthoLite X-40 sockliner so your feet can breathe, relax and stay fresh. Don't settle for anything less than the best in the Asics Gel Kayano 21!
Padded tongue and collar for added comfort and support
OrthoLite X-40 sockliner with higher rebound properties, moisture management, breathability and antimicrobial properties
Dynamic DuoMax® Support System enhances stability and support with reduced weight and increased platform support
FluidFit™ upper technology combines multi-directional stretch mesh with stretch reinforcements
Heel Clutching System™ uses an exoskeletal heel counter for improved support and fit