Bunker Underwear Extasy Low Rise Brief (Waist Band Logo) 25% cotton Fabric:70% bamboo rayon 25% cotton 5% spandex jersey 180 GSM Soft, smooth texture. Absorb moisture and wick it away. Keeping cool and dry. Antibacterial! Low rise, falls below natural waistline. Front contour pouch. 1 1/2'' nylon elastic with side jacquard logo. Machine wash cold with like colors, tumble dry low, do not bleach, cool iron.