The adidas Ultraboost 1.0 x The Hidden Opponent Shoes are all about performance. An adidas Primeknit upper provides a second-skin fit, while the adidas BOOST midsole gives you the energy return you need to go the extra mile. The Torsion System adds midfoot stability, and the outsole grips the ground, so you can focus. This product features at least 20% recycled materials. By reusing materials that have already been created, we help to reduce waste and our reliance on finite resources and reduce the footprint of the products we make.