adidas Women's Adizero Boston 5 W Running Shoe Synthetic-And-Mesh Rubber sole A mesh lining helps moisture- and heat exchange between your foot and the outside air, so your feet stay feeling fresh The adidas boost midsole foam provides extra cushioning and energy return, while the midfoot torsion system offers stability and propulsion through the midfoot phase of the gait cycle A Forefoot Continental Rubber outsole gives great traction in dry or wet conditions, and an adiWear heel delivers grip and durability while maintaining light weight