![Amazon.com | Birkenstock Unisex Boston Soft Footbed Clog Slip On Mule Sandal, Habana Oiled Leather, 36, 5-5.5 Women/3-3.5 Men | Mules & Clogs Amazon.com | Birkenstock Unisex Boston Soft Footbed Clog Slip On Mule Sandal, Habana Oiled Leather, 36, 5-5.5 Women/3-3.5 Men | Mules & Clogs](https://m.media-amazon.com/images/I/61hWF8TdqlL._AC_UY900_.jpg)
Amazon.com | Birkenstock Unisex Boston Soft Footbed Clog Slip On Mule Sandal, Habana Oiled Leather, 36, 5-5.5 Women/3-3.5 Men | Mules & Clogs
![What upper material is this (left & right)? Clerk says its just black, but comes across as blue/grey. For reference, I think the center clog is black oiled leather : r/Birkenstocks What upper material is this (left & right)? Clerk says its just black, but comes across as blue/grey. For reference, I think the center clog is black oiled leather : r/Birkenstocks](https://preview.redd.it/d8jamsu8sxs81.png?auto=webp&s=b4fdc36b83a7edd93fde866371d7ed30ca04e3bf)
What upper material is this (left & right)? Clerk says its just black, but comes across as blue/grey. For reference, I think the center clog is black oiled leather : r/Birkenstocks
![Amazon.com | BIRKENSTOCK Men´s Boston Black Oiled Leather Sandals 41 EU (M8/L10 US) N 059463 | Mules & Clogs Amazon.com | BIRKENSTOCK Men´s Boston Black Oiled Leather Sandals 41 EU (M8/L10 US) N 059463 | Mules & Clogs](https://m.media-amazon.com/images/I/61cyj6hnOKL._AC_UY900_.jpg)