Bought in a .5 size too small, never worn, but I did throw out the box. Online description: Goodbye gravity. We designed these adidas Ultraboost running shoes using insights from space. Together with NASA, we ran experiments in gravity to micro-tune Boost midsoles to perform better on earth. And because all the innovation is pointless without thought for the planet, the shoes stand as part of our commitment to help end plastic waste. Sock-like fit Lace closure Textile upper Textile lining Boost midsole Weight: 10.9 ounces (size 9) Midsole drop: 10 mm (heel: 22 mm / forefoot: 12 mm) Stretchweb outsole with Continental™ Rubber Primeblue Imported Product color: Core Black / Iron Metallic / Carbon Product code: FZ0174