Dura leather/nylon ventilator mesh uppers offer ample breathability, flexibility and support for long-lasting performanceProtective synthetic leather toe bumpers ensure durability and abrasion-resistance; heel loops aid entryMesh padded tongue protects instep against lace pressure without inhibiting breathabilityNylon mesh linings absorb and disperse excess moisture for more comfortable feet in hot conditionsRemovable 4.5mm footbeds are anatomically shaped and add cushioning for improved comfortQ-Form— alignment system provides women with a precise anatomic fit for superb, tailored comfortFull-length, compression-molded EVA midsoles supply cushioning and support for all-day wearAir Cushion® heel pockets provide extra shock-absorption under heels and help stabilize footstrikeNylon arch shanks provide extra stability and supportVibram® Multi-Sport™ outsoles with Trek and Super Trek rubber deliver reliable traction on both wet and dry