These classic high-waist briefs are made with a soft, breathable cotton fabric and elastic waistband to retain the fit and shape after every wash. They provide full back coverage that is comfortable for everyday wear. General sizing guide corresponding to US pant size: Small (0-2), Medium (4-6), Large (8-10), X-Large (12-14), 2X-Large (14-16), 3X-Large (16-18). Made of 92% Cotton 8% Spandex. Machine wash in lingerie laundry bag, line dry. For better results, hand wash.