Proenza Schouler was founded in 2002 in New York by Jack McCollough and Lazaro Hernandez.The brand name, Proenza Schouler, is a combination of the pair’s mothers’ maiden names. They produce womenswear as well as a line of accessories, including handbags. Popular bags from the brand include the Proenza Schouler PS1, and the PS11 bag. Both come in a range of sizes and leathers. Find pre-owned Proenza Schouler purses for sale online in Canada at Love that Bag.