As light as they come. Expect comfort that's out of this world in the adidas Ultraboost Light. Decked out to deliver the lightest stride ever with the lightest Boost ever from adidas, these runners don't take comfort and performance lightly. The upper is made with a high-performance yarn that contains at least 50% Parley Ocean Plastic and 50% recycled polyester to help you run toward a sustainable future. When it comes to the Light BOOST midsole, you'll experience responsiveness and bursts of energy with each step. The signature adidas Primeknit+ textile upper adapts to the natural shape of your feet, proving that some shoes can deliver it all, and in style. Greet every run with epic energy in the adidas Ultraboost Light. adidas Ultraboost Light features: Lace closure delivers a secure fit. Regular fit offers enough room to move. Textile lining offers soft comfort. Narrow heel fit and low instep curve reduce heel slip and blisters. Linear Energy Push system adds comfort and stability.