Serious About RunningTechnology meets the demanding needs of the modern runner in the ASICS GEL-Kayano 25 the brand’s most advanced model yet. The ultra-light multi-layered mesh upper provides excellent breathability flexibility and stability. A molded exoskeletal TPU heel counter provides support and enhances lockdown while a wider-than-normal toe box deters toe crowding for a more natural feel. Helping You Stride RightThe GEL-Kayano 25 is engineered to improve running mechanics. Many people tend to pronate (place weight on the inner foot) resulting in fatigue and even pain. The exclusive Guidance Trusstic System with Guidance Line technology reduces the combined effects of torque and torsion (force and twist) to help align the foot properly for more gait efficiency. •Jacquard mesh upper features multi-directional stretch for a responsive fit.•Internal Fit System secures the foot while ensuring flexibility.•FlyteFoam Lyte® midsole cushioning enhances energy return.•Rear and forefoot GEL units add impact absorption.•High-abrasion rubber in outsole high-wear areas support traction.