The internal construction seamlessly integrates the heel counter with the midsole for a unified stability system, adidas classic shoes.

Color:Core Black | Core Black | Cloud White

4% MORE FOREFOOT ENERGY RETURN COMPARED TO ULTRABOOST 21WITH A COMPLETE 360 FEMALE FIT IMPROVEMENT.

With the help of 1.2 million foot scans,adidas updated Ultraboost with a complete 360 female fit improvement. Andadidas didn't stop there.adidas re-engineered the rubber outsole.adidastested hundreds of prototypes.adidas kept going untilthey saw visible improvements in performance. The result? 4% more forefoot energy return, compared to Ultraboost 21 for women. The adidas PRIMEKNIT upper includes a narrower heel fit, designed to avoid heel slip and blisters. You'll be riding on a BOOST midsole with a Linear Energy Push system. The shoe's upper is made with yarn containing 50% Parley Ocean Plastic reimagined plastic waste, intercepted on remote islands, beaches, coastal communities and shorelines, preventing it from polluting our ocean.

A lightweight build ensures minimal water retention for faster drying times post-wash, adidas ankle high shoes.