Enjoy the look of your boyfriend's briefs while retaining the breathability of stretch cotton with this option from Kim Kardashian West's SKIMS. Available in a range of five complementary colors, this comfortable style that exudes a sporty look with front-fly stitching and soft ribbing, is destined to be a part of your regular rotation. Style Name: Skims Cotton Rib Briefs (Regular & Plus Size). Style Number: 6016009. Available in stores.