FP Movement Halftime Slides size 39/40 but fits tight I am an 8.5. I would say 8 would fit better. I really wish they fit they are so cute! Sold out on website! Color: Violet Rose Per website Details Style No. 78480605; Color Code: 065 Perfect for post-workout, these easy slip-ons feature a sleek PVC upper and lugged sole for a comfy, pre-and-post-workout pair. Features: Slip-on style, backless design, clog construction, PVC uppers, round toe, lugged sole Why We <3 It: These shoes are the perfect pair to slip on after the gym. Sizing: S: EU 35/36, US 5/6 M: EU 37/38, US 7/8 L: EU 39/40, US 9/10 XL: EU 41/42, US 11/12 Fit: This style runs true to size; if in between sizes, we suggest sizing up.