Whether you're running for pleasure, fitness, or a PR, take comfort in knowing you have the best cushioning and support on the market in the Asics® Gel Nimbus 17. Underpronators to mild overpronators will appreciate the cushioning and comfort of this running shoe. FluidFit upper technology combines multi-directional stretch mesh with stretch reinforcements that adapt to your foot, for a truly customized glove-like fit. Heel Clutching System with an exoskeletal heel counter for improved support and creates improved heel fitting environment. Independently placed Discrete Eyelets disburse lace tension for a customized fitting environment and enhanced upper comfort. ComfortDry X-40 sockliner for cushioned comfort and anti-microbial properties that help keep your shoes smelling fresh longer. Extended heel and forefoot GEL Cushioning Systems in the midsole keep your feet feeling fresh on long runs. Guidance Trusstic System integrates Guidance Line construction for enhanced gait efficiency while providing midfoot structural integrity. Guidance Line Vertical flex groove decouples the tooling along the line of progression for enhanced gait efficiency. FluidRide for bounce back and cushioning properties with reduced weight and durability. Solid rubber outsole is durable on multiple surfaces. Wt. 10.8 oz.