This genius underlayer is guaranteed not to roll up or down, no matter how you move, thanks to targeted X-compression that sculpts without squeezing.Stand Tall - SoftFlex structures support postureTargeted Compression - tones and smoothsStays up - SoftFlex boning reliably prevents rolling downCotton-lined gusset75% nylon, 25% spandexHand wash, line dryImportedItem #6914839