Running Shoes The adidas Pure Boost Chill combines the ultimate comfort you know and love from Pure Boost and adds a new, active upper that will keep your feet cool while you run — the best of both worlds. ClimaChill® mesh offers-360 degree ventilation, while the soft collar makes for a lightweight, ultra-comfortable, and ultra-soft fit. Boost foam midsole offers excellent energy return due to thousands of energy foam capsules molded together that store and release energy with every step. Stretch-web optimized outsole pattern for traction and natural motion.products_model:K43D4217dWomen's Shoes - adidas Pure Boost Black/Black/Midnight Grey - K43D4217d