This is a size reference of GX3 SURPRISE PACK.

GX3 SURPRISE PACK. What's inside? limited number! Totally 10 items. (10 pieces of random underwear.) Only 8,480 JPYen+ postage Start selling from December 26, 2025 PM 12:00 GX3 10 pairs of underwear.（ All are selected at random. ） Surprising price 8,480 JPYen. Enjoy predicting what you can get! 【Please read the following before purchasing.】 ※ There may be more than one of the same item in the 10 pieces. ※ If you buy more than 2 SURPRISE PACKS, there's a possibility that it is enclosed exactly same items. ※ Some items from lucky bag released in the past may be included. ※ Because of sanitary reason, any return, exchange will not be accepted. ※ It is possible to enclose Boxer, Brief, Bikini, Jockstrap, Shorts, Swimwear, etc. ※ It is possible to enclose all similar items, such as all bikinis. ※ You cannot choose item & color. ※ 5 size are available, S,M,L,XL and XXL. ※ Even in the same size, there are differences in waist size depending on the series, shape, and elasticity of the material. ※ There may be differences in the feeling of the garment depending on the individual's sensibilities. ※ To prevent damage for print and fabric, do not use tumbler dry. ※ The size chart is based on Asian people size. It must be small for western people. Please be care to order. Designed in Tokyo Japan Made in China