Can you own too many Birks. Yes if have a pair of Noppyflex sandals. Instruments of pure foot torture as Birkenstock choose to use hard plastic for the foot bed unlike similar
Kids Birkenstock Roma Sandals - Mocha / Brown - Kids Sz 7-7.5 (Eu 25) | eBay
Birki's Noppy | Miss Noppi | Flickr
New Birkenstock Birko Flor Massage Sandals Sz 39 | Massage sandals, Sandals, Women shoes
Cleaning advice wanted! Super Noppy Sandals : r/Birkenstocks