Sandy's Birkenstock Boutique - The "Birk" pattern of the sole is definitely the right shape, but the genuine Birkenstocks have a much finer/smaller size to each patterned segment. | Facebook
How to Read the Birkenstock Footbed – Footwise
EVA Full Soles Black Brown Resole Replacement 12.5 x 4.5 for BIRKENSTOCK sandals | eBay