FitFlop Allegro Ballet Flats Silver Soft Leather size 9 new without box These ballet flats will have you in a whirl. Looking like classic ballet flats but feeling like sneakers These classic ballet flats have a secret – high-rebound cushioning tech hidden in the 'flat soles'. Dynamicush These ballet flats are made of butter-soft leather, with an elasticated top line for a foot-hugging fit.