Men’s thong underwear Men’s underwear made from polyester/spandex. Machine wash Imported GBGB underwear style JIM Bold. Daring. Sexy. Inspired by the majestic yet mysterious depths of outerspace, the GBGB Jim men's thong features a metallic pattern that shimmers and shines. Available in gold or silver metallic print on a black ground, this GBGB men's thong is ready to boldly go where no men's underwear has gone before.