You know cooler weather is just around the corner when Sheepskin Gifts & Alpaca Too makes its annual return to Westfield Montgomery mall. The popup shop is now open on the mall’s lower level, a few doors down from Macy’s. This year there were certainly plenty of empty storefronts to choose from: Recent mall departures include Free PeopleAldo ShoesThe Children’s PlaceThe IcingBonobosBanana RepublicTalbotsAnn TaylorSoma and Wild Custom Apparel. Express and Express Men, which have been holding going-out-of-busines sales all summer, finally went dark last week.