AUTHENTIC MUSTHAVE: Proenza Schouler PS11 bag. This beautifully crafted and well-designed bag from Proenza Schouler's collection will make you stand out at any event. Designed with style and function in mind, all pieces are expertly crafted from premium suede and leather. This brown leather PS11 bag is a wardrobe staple and features adjustable shoulder straps, a foldover top with snap closure and gold signature inverted stud detail. Calf Leather 100%. Comes with it's original dustbag, cards and tags.