What is size os?

Size OS is a term used in the fashion industry to refer to a "one size fits all" or "one size fits most" clothing size. This size is meant to accommodate a range of body shapes and sizes, usually falling within the typical women's sizes of 0-12 or men's sizes of S-L.

The size OS is typically found in items such as oversized tops, stretchy leggings, and loose-fitting dresses. These garments are designed to have some flexibility in their fit, making them suitable for a variety of body types.

It's important to note that not all size OS items will fit everyone the same way, as individual body shapes and proportions can vary significantly. It's always a good idea to check the specific measurements provided by the manufacturer before purchasing a size OS garment to ensure a proper fit.