adidas Stella McCartney x Ultraboost X 3D Marathon Running Shoes/Sneakers Size 7 Insanely comfortable. I’ve really enjoyed them but now have too many tennis shoes. So nice, you can wear without socks. Throw the whole shoe in the washer to clean. WMNS) adidas Stella McCartney x adidas Ultraboost X 3D Knit 'Cream Blue Gray' G28337 (SNKR/Women's/Crossover/Colorblock)