Calvin Klein briefs. Elastic rubber waistband, with the name of the firm. Comfortable and breathable fabric. Anatomical front, with the ability to hold without squeezing. Seams seen in tone. Composition: 92% Cotton, 6% Elastane Care: Wash at max temperature 40ºC. -Do not use bleach. -Supports dry cleaning. -Allows you to use a dryer. -Iron at max temperature. 130ºC.