Shop Wacoal Understated High-rise Stretch Cotton Briefs In Black from 600+ stores, starting at £13. Similar ones also available. On SALE now! Wacol's Understated cotton brief features a high-cut, full-coverage silhouette cut from super soft Supima cotton that comfortably hugs the body. An ultra-thin waistband allows for a smooth look. Elasticized waistband Full coverage Pulls on 84% Supima cotton/16% spandex Hand wash Imported SIZE & FIT Model measurements: 5'10" tall Model is wearing a US size Small. Lingerie - Wacoal Foundation > Wacoal > Saks Fifth Avenue > Barneys. Wacoal. Color: Black. Size: Medium.