Merrell Siren Sport Gore-Tex Women's Walking Shoes A Siren that sounds the alarm when the weather comes up bad, and keeps pace with the worst it can throw out. Mesh upper backed by GORE-TEX membrane has the highest level of breathability while being completely waterproof without any unwanted bulk-up. Gore-Tex Upper The upper of the Merrell Siren Sport Gore-Tex Women's Walking Shoes is constructed with synthetic leather and mesh. The mesh ensures ventilation throughout the shoe, keeping the feet feeling cool and comfortable, while the synthetic leather provides support while anchoring speed lacing. Equipped with Gore-Tex, which is a waterproof technology that puts a breathable, water-resistant barrier between you and the elements. With advanced laminated membranes and innovative, water-resistant sealing solutions, Merrell's Gore-Tex waterproof shoes are guaranteed to keep you dry and feeling comfortable. The upper also features long-lasting M-Select FRESH which naturally eliminates sweat and its odour-causing bacteria with reactive, friendly microbes that break down perspiration on contact with natural enzymes. The upper then features a bellows tongue which helps keep debris out while on loose, rocky terrains. Merrell Air Cushion and QFoam Comfort Midsole The Moab Vent includes the Merrell Air Cushion which offers the best of both worlds by providing the cushioning you need for all-day comfort and the control you need for support in all kinds of terrain. They've been engineered so that each step provides compression necessary to absorb up to four times the body's weight, with a pronounced heel cup keeping the foot centered for greater stability. Equipped with Merrell's QFoam Comfort Midsole which provides women's specific stride-sequenced cushioning. As you walk, Merrell's Air Cushion in the heel absorbs shock and centres the heel on contact for added stability. With a firm, the supportive area in the midsole which keeps the foot centered while a second