Birkenstock Professional Unisex Profi Birki Slip Resistant Work Shoe, Black, 37 | eBay
Blue Footbed Sport Black Edition Cotton Black | BIRKENSTOCK
Amazon.com: Birkenstock Professional Men's Profi Birki-Clog RPL Footbed Flat, Miscellaneous, 36 EU/Womens 5 M US : Clothing, Shoes & Jewelry
Birko Balance Insole Leather | BIRKENSTOCK
Boston fit improvement. I have quite narrow feet and these inserts, though not ideal (minor sticky separation sound when you lift off while walking) have made them functional to use. They otherwise