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
Birkenstock BirkoBalance Arch Support Insoles – The Insole Store
Birkenstock Star Womens Leather Pump Inserts – The Insole Store
women's Birkenstock birks blue removable inserts size 7 Made In Germany | eBay
Birkenstock Star Womens Leather Pump Inserts – The Insole Store
Birkenstock Tradition Arch Support Insoles – The Insole Store
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Amazon.com: Birkenstock Insoles
Birkenstock BirkoBalance Arch Support Insoles – The Insole Store
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Protect your Birkenstock Footbed with SoxsolS
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