These are now some of my favorite basics. The knit silk fabric is soft and smooth, the position of the leg openings and elastic edges keep them from riding up, and the natural antimicrobial and moisture-balancing properties are great for keeping sensitive skin healthy. They can either be hand-washed or washed in the machine on delicate cycle, cold water, in a lingerie bag, and they should definitely be air-dried, but they do dry quickly. The leg opening creates a bit of a panty line, but I don'tSee full review