Still Going Strong The adidas Ultraboost sneaker was first released in January 2015 and was seen as the most technologically advanced runner. Featuring 3,000 energy capsules, and a Primeknit upper for a tighter fit, and enhanced breathability, the adidas Ultraboost had athletes begging to get their hands on a pair. The industry standards were officially raised with the launch of this energizing running shoe. For a more minimalist shoe like this, the outstanding performance it provides is really all in the details. The outsole has a Stretch Web technology and elastic materials; combined, these features help increase energy-return benefits. The featherweight sock liner molds itself to fit your foot, and the dual density Torsion System is something you've never felt before. Give Yourself a Boost Now one of the most popular shoes made by adidas, Ultraboost finds a home in every type of sneaker-wearer around. The high-end style catches the eyes of anyone just looking for a comfortable shoe to wear on the daily, while the performance metrics are proof to runners that this is the shoe they need to hit their new PR. It's time to take advantage of everything the adidas Ultraboost has to offer and put some serious pep in your step.adidas Women's Ultraboost features: Snug fit Primeknit upper will expand with your foot. Non-restricted foot and Achilles movement thanks to the elastic and stretch heel counter. Boost foam technology offers the most energy return for runners, and is enhanced even further by the Stretchweb outsole. Foot's natural rotation is supported by the extensive torsion system for added stability. 9.4 oz. in weight.