As a sporty walking shoe, the Merrell Siren Sport 3 GTX offer ultimate cushioning and comfort with their multiple properties. Featuring an air-cushioned heel and a contoured Kinetic Fit™ BASE insole - this pair will keep you comfortable throughout any adventures. Lightweight EVA midsole and a Vibram® TC5+ rubber outsole absorbs shock and provides stability to keep feet supported through any terrain. Combination uppers protect feet from debris with a bellow tongue and lace fastening, as well as allowing them to breathe through mesh material. Merrell Siren Sport 3 GTX Womens Trainers