The fabric combo of nylon/elastane and thong-cut makes them feel like truly bare-free which is perfect if you love wearing them on hikes, walks, or just every day. Oh, and they are 100% seamless and come in your skin colour too, making them feel and look even more invisible. Lightweight and stretchy fabric 100% seamless  87% nylon and 13% elastane 100% cotton gusset Perfect fast-dry fabric Machine wash