Adidas X Stella McCartney Ultraboost X3D size US8 UK6.5 EU40 worn once briefly.
A couple of small scuffs from that wear but 9.8/10.
These run half a size big so would best suit a US8.5/EU40.
Stella McCartney has collaborated with adidas to create innovative, performance-driven workout wear for women since 2005. With each footstrike, these ultra-lightweight shoes recharge your step with the energy return of Boost cushioning. Designed as a chic slip-on, they are crafted with a seamless, fully knit, sock-like upper. Ideal for a 10K run, the flexible outsole and compression-fit arch adapt to your foot's natural flex to allow steady, powerful strides.
adidas Primeknit 360 textile upper
Flexible Stretchweb outsole; Stabilising Torsion System; Fitcounter heel for unrestricted fit
Responsive Boost midsole; Compression fit adaptive arch