The Adidas Energy Boost 3 is a women’s athletic shoe in UK size 7 with a low top shaft style and dark navy blue color. Featuring a solid pattern, it has a US size of 8.5 and EU size of 40 2/3. Ideal for cross-training activities, the shoe offers comfort and breathability with a low heel height. This running and cross-training model from 2012 is designed with synthetic upper material and a foam insole.