Co-founded by Kim Kardashian, Emma Grede, and Jens Grede in 2019, SKIMS’ innovative designs set new standards for every body. The Cotton Rib Collection decorates everyday pieces with a timeless rib-knit finish. Showcasing front-fly stitching, this fitted boxer features a longer leg smoothing out the thighs. Elasticized waist Pulls on 95% cotton/5%spandex Hand wash Imported This brand fits slightly smaller. Consider ordering a size up. SKIMS. Color: Marble. Size: XS.