The Infinity Stretch Canvas ballet flat is a hybrid of the Synchrony & the Zenith, combining the best features of both. Bloch's inventive stretch canvas ballet slipper gives a streamlined fit that accentuates the contours of the foot while being incredibly comfortable. Features Innovative fibers within the canvas material stretch and recover always re ecting the natural shape of the foot Sleek and streamline look on the foot Soft, plush elastic on the top line replaces the need for an untidy drawstring and eliminates pressure on the top of dancer's foot Pre-sewn crossed elastic to ensure secure fit Wider outsole design with no ridges to allow natural spreading of toes for easy balance and turning FITTING GUIDE: Start with 1 or 1 1/2 sizes down from street shoe size, depending how tight you like the shoes to fit