The Calvin Klein Invisibles hipster offers a seamless, laser cut finish and flexible fit, sitting smoothly under clothes. A soft microfibre fabric ensures comfort against the skin, whilst a cotton gusset provides breathability. Choose from a plethora of colours for a pop of colour in your underwear drawer. Body: 72% Nylon, 28% Elastane. Gusset: 100% Cotton Do not bleach. Do not professionally dry clean. Do not tumble dry. Do not iron.