Description M Select® DRY impermeable membrane seals out water and lets moisture escape Mesh and synthetic upper Traditional lace closure M Select® FRESH antimicrobial agents reduces shoe odor Kinetic Fit® TRI insole is contoured like your foot and features triple zone arch support to provide light support Molded nylon arch shank Q FORM® 2 insole and midsole technology is gender-engineered for women to provide natural alignment and superior comfort M Select® GRIP outsole tunes each outsole with durable traction that grips when and where you need it 4.5mm Lug Depth