From a walk in the park to a weekend run with friends, these adidas Ultraboost 1.0 shoes are designed to keep you comfortable. An adidas PRIMEKNIT upper gently hugs your feet while BOOST on the midsole cushions from the first step to the last mile. The Stretchweb outsole flexes naturally for an energised ride, and Continental Rubber gives you the traction you need to keep that pep in your step. Lace closure. adidas PRIMEKNIT textile upper. Fitcounter moulded heel counter. BOOST midsole. Stretchweb outsole with Continental Rubber.