New Balance 1550 W1550BB1 Running Shoes Womens Size 7B Black/Blue RARE Ltd Ed Description This is a rare New Balance Prototype issued that was never manufactured by New Balance for the general public.  Only 100 of these particular shoes exist! Brand New Balance Color Black with Campanula Blue Accents Condition New with Box Midsole Lightweight cushioning OutSole Solid rubber outsole Material Synthetic/Mesh upper   Measurements Size - USA  7 B - Medium Size - UK  5 Size - EUR  37-1/2