These are gentle-on-the-body and mind fundoshi pants (traditional Japanese loincloth-style underwear) and fundoshi shorts. The fabric area has been widened to provide comfort for those with larger posteriors, around an XL size. They can be worn by a wide range of sizes, from M to XL (^-^) Fine silver threads are woven into the fabric, creating a beautiful sparkle with an elegant sheen. If you'd like to know more, please search for "Mufan fabric"♪ (Measured flat) Waist: Approximately 50cm Back width: Approximately 37cm Front width: Approximately 28cm Rise: Approximately 29cm Please note that these are approximate measurements, and there may be slight individual variations. They are made with non-stretch fabric to create a comfortable space between the skin and the fabric. Although they may appear large, they are designed to prevent rolling up or digging in. Outer: 100% cotton lawn, Mufan Lining: 100% cotton lawn Approximately 80cm of elastic is threaded through and temporarily tied, so please adjust it to your size. It can stretch up to about 100cm. We recommend washing them in a laundry net. Please be aware that dark colors may bleed. When drying, please smooth out the wrinkles. I make these with care, but as a handmade item, there may be slight imperfections in the fabric or seams. Please consider this before purchasing. Please read the profile before purchasing.