Adorable Essentials Slingback Mary Jane Flats Windsor Adorable Essentials Slingback Mary Jane Flats. USD 26.9. You'll reach for these Mary Jane flats to create adorable OOTD posts! The classic flats are designed with a modern slingback open ankle and a closed square toe. Complete the look with a cropped tweed jacket.Fit & FeaturesFlat soleClosed square toeOpen slingback ankle with strap, buckle closurePatent leather materialCushioned insoleRuns true to size Find the latest styles for the fashion brand Windsor. . Found on the website windsorstore.com along with other Windsor specials. Buy on the official stockist windsorstore.com .