Mens Lycra thong. These do have several inches of stretch to them due to the Spandex which helps to ensure the proper fit.
Lycra Classic Thong – Honour Clothing
Men's Underwear - Mens Underwear Store – tagged fabric_stretch
Maidenform Bras, Panties, and Shapewear
dingmi] 5点セット メンズ 下着 男性 パンティー ブリーフ Tバック
Male Power Satin Lycra Bong Thong 442076 at International Jock
Men's Stretch Thong Underwear
SLIPS DE BIKINI blanc dos en T pour hommes bas taille G cordes en
N2N- Men's sexiest and most comfortable underwear/ Made in the USA
N2N- Men's sexiest and most comfortable underwear/ Made in the USA
N2N- Men's sexiest and most comfortable underwear/ Made in the USA
Male Power Satin Lycra Bong Thong 442076 at International Jock
Lycra Classic Thong – Honour Clothing
Male Power Satin Lycra Bong Thong 442076 at International Jock
Hotspot Mens Neon Lycra Thong Underwear (Small/Medium) at
SLIPS DE BIKINI blanc dos en T pour hommes bas taille G cordes en