I think you might be referring to — a well-known Russian nudist and naturist website and video series that was popular online in the 2000s and early 2010s.
If you are interested in exploring naturism, it is easier—and safer—than ever to find legitimate communities. Organizations like the American Association for Nude Recreation (AANR) or The Naturist Society (TNS) provide resources, legal advice, and directories for sanctioned resorts and beaches. enature nudist top
If your goal is to find clothing that embodies the "nudist" aesthetic—minimalist, soft, and skin-like—several retailers offer products that fit the description: I think you might be referring to —