Home · Borderline Plus · Online Store Powered by Storenvy, Borderline Plus is an alternative boutique carrying clothing, jewelry, boots, hair dye, leatherwork, and other accessories. Borderline Plus was born in the 1980s as Silver Cross, changing name and location in the early 2000s. Borderline Plus is now one of the largest alternative boutiques in all of C - Online Store Powered by Storenvy.