Malls and shopping centers across the U.S. are preparing to be hit by more store closures.

A slew of specialty retailers like Gap and L Brands are getting serious about downsizing, which will leave more vacant storefronts within malls until landlords are able to replace tenants.

Meanwhile, a number of e-commerce brands are looking to open stores, as malls add co-working spaces and apartment complexes to the mix.

Mall and shopping center owners across the U.S. are preparing to be hit by more store closures, following a brutal year that included department store chains like Bon-Ton and Sears going bankrupt, Toys R Us liquidating and even Walmart shutting dozens of its club stores.