Bloch Synthesis Pointe ShoeDescription The Synthesis is part of the Bloch Stretch Series which feature a unique stretch satin Upper which lengthens when the foot is flat or on demi pointe and returns to its original form when 'en pointe'. This eliminates excess fabric and promotes a wrinkle free profile. The Last has been designed with a flat outline which facilitates extra stability when standing flat. The Shank is the revolutionary patented Relevase which uses biomimicry to