Birkenstock - Oswego - Leather. Color Black Leather. On sale for $103.31. MSRP $145.00.. 3.5 out of 5 stars+2Brand NameBirkenstockProduct NameOswego - LeatherGenderWomen'sColorBlack LeatherPrice$103.31MSRP: $145.00Rating3Rated 3 stars out of 5(11)