ASICS Dynaflyte 3 Women's Running Shoes Midgrey/White : So sleek and light, you'll forget you're wearing anything at all, the Asics Dynaflyte(TM) 3 running shoes are all about less being more. This new installment features comfortable, Adapt Mesh upper material for enhanced breathability and improved fit. FlyteFoamA(R) Lyte midsole technology provides that springy feel during the run from an incredibly lightweight material. With these neutral running shoes, less really does mean more. More run, that is! Upper: Adapt Mesh upper for lightweight breathability and improved fit. Padded tongue and heel collar enhance comfort. Discrete eyelets and lace-up front offers a personalized fit. Midsole: Impact Guide System (I.G.S.A(R)) employs linked componentry to enhance the foot's natural gait from heel strike to toe-off. ComforDry(TM) X-40 sock liner provides cushioning performance and plush luxury with antimicrobial properties for a cooler, drier and healthier environment. Rearfoot GELA(R) Cushioning System attenuates shock during impact and toe-off phases, and allow movement in multiple planes as the foot transitions through the gait cycle. FlyteFoamA(R) Lyte provides responsiveness from supremely lightweight material. Outsole: AHARA(R) ASICS High Abrasion Rubber placed in critical areas provides exceptional durability.