What Our Gearhead(R) Experts Are Saying:"I've been logging daily road miles in the Ultraboost 5X and the difference is real. The Light BOOST cushioning is super energetic without adding weight, and I can feel the midfoot support working especially on long tempo runs. Bonus-the Continental(TM) Rubber outsole grips even when the road's slick."When our goals stretch from fresh 5Ks to marathon milestones, we lace into the Ultraboost 5X Running Shoes to go the distance. adidas engineered this latest generation with ultra-lightweight BOOST foam to keep our stride energized, mile after mile. Paired with an adaptive PRIMEKNIT upper and a supportive molded heel, the fit stays locked in and breathable as we push our pace. Integrated midfoot support via the Torsion System lends added structure to long training efforts, while the Continental(TM) Rubber outsole delivers reliable traction in all conditions. Made in part with recycled materials and packed with innovation, the Ultraboost 5X redefines how light and fast a cushioned trainer can feel-helping us chase PRs and daily runs alike with confidence and comfort.