Buckle 5300 S 76th St, Greendale, WI53129 Buckle is not a typical mall clothing store. In addition to offering trendy men's and women's clothing, footwear and…More outerwear, Buckle specializes in personally fitting customers with denim. With a huge array of sizes, the store's Denim Specialists will find the right pair for every customer. Ask about "Wrap it up" appointments to make gift shopping a treat as well. Located on the upper level of Southridge Mall, Buckle is closest to the southwest mall entrance.