NWB Theory Amria Calf black pumps 38.5 $355 Fits like Size 8. Retails for $355! Theory's classic, sexy Amria pump has a pointed toe and dipped vamp for a flattering, leg-lengthening look. Beautifully constructed in smooth Italian calf leather, it features a black nappa lining, cushioned insole, and buffed leather outsole. 3 3/4" Heel. New with box and dust bag.