The rule of thumb is your usual trouser size is similar to what you would wear in G-strings. Stretch nylon spandex. The G-strings sit around hip level not right up on the waist, this size chart is for a guide only.
Dance Jox Doctor Dancebelt's Guide
MALE MEN'S LEOPARD Print Tarzan Brief Underwear Shorts Underpants Tank Top Vest $6.85 - PicClick
Spikey Pike
JOCKMAIL
Mens Spandex G-string, Thong, Male Underwear, Jox, Sexy mens undies
Las mejores ofertas en Ropa interior de leopardo sin marca para hombres
Micro Underwear Men - UK
Underwear Subscription Australia
Designed to be comfortable practical and a little bit sexy. Stretch nylon spandex. Large 82 cm. Sizes from XS to 6XL. Small 72 cm.
Mens Spandex G-string, Thong, Male Underwear, Jox, Sexy mens undies