Birkenstock - Oswego - Leather. Color Black Leather. On sale for $104.99. MSRP $145.00.. 3.4 out of 5 stars+2Brand NameBirkenstockProduct NameOswego - LeatherGenderWomen'sColorBlack LeatherPrice$104.99MSRP: $145.00Rating3Rated 3 stars out of 5(12)