G-string - Wikipedia, the free encyclopedia - A G-string (alternatively gee-string or gee string) is a type of underwear, a narrow piece of cloth, leather, or plastic, that covers or holds the genitals, passes between the ... G-String - Thong - Mens underwear, Socks, T-Shirts & Singlets ... - Free Shipping - Mens underwear, Mens swimwear and socks brands such as 2xist, Calvin Klein, C-in2 and Diesel. Mens underwear delivered worldwide!