The small fabric panel inside women’s underwear is called a gusset. Although it may look like a pocket, it is not designed to store anything. Instead, it serves several practical purposes, including improving comfort, managing moisture, and protecting the skin from friction. It provides an extra layer of fabric in an area that experiences frequent movement and contact, helping reduce irritation during everyday activities such as walking, sitting, and exercising.
Cotton is commonly used for gussets because it is soft, breathable, and capable of absorbing some moisture. This additional panel also strengthens the underwear, particularly in an area that experiences regular stretching and movement. Many designs combine a cotton gusset with materials such as nylon, polyester, or elastane to provide both comfort and flexibility. The choice of fabric can vary depending on personal preferences and sensitivities, so a comfortable fit is just as important as the material itself.
The gusset also contributes to everyday comfort by helping manage moisture and reducing friction, although it does not prevent infections or replace proper intimate hygiene. Regularly changing underwear, washing it appropriately, and choosing breathable, well-fitting designs can all help maintain comfort. Ultimately, this small and often overlooked feature has an important purpose: it makes underwear more comfortable, improves durability, and provides an additional layer of protection where it is most needed.