![Amazon.com: Birkenstock Replacement Footbed Kork for Super Birki Black - 46 : Clothing, Shoes & Jewelry Amazon.com: Birkenstock Replacement Footbed Kork for Super Birki Black - 46 : Clothing, Shoes & Jewelry](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/91Uxf9oVYiL.jpg)
Amazon.com: Birkenstock Replacement Footbed Kork for Super Birki Black - 46 : Clothing, Shoes & Jewelry
![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 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](https://preview.redd.it/boston-fit-improvement-i-have-quite-narrow-feet-and-these-v0-ti3fwyoe6kf91.jpg?width=640&crop=smart&auto=webp&s=11e85a7a40606014e12ac3c08bacb6c9d2a6fb49)
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
![Amazon.com: Wool Flat Shoe Insert for Sandals & Sockless Shoes, Comfortable Shoe Insoles with Sweat-Absorbent Natural Fiber & Non-Slip Silicone Grip, Narrow-Cut Shoe Inserts for Women, Brown, Size 39 - SoxsolS : Amazon.com: Wool Flat Shoe Insert for Sandals & Sockless Shoes, Comfortable Shoe Insoles with Sweat-Absorbent Natural Fiber & Non-Slip Silicone Grip, Narrow-Cut Shoe Inserts for Women, Brown, Size 39 - SoxsolS :](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/81c3rvja-ML.jpg)