Perhaps the most important feature of women’s underwear is the cotton gusset—the extra, breathable fabric sewn into the crotch area. While it may seem like a small detail, the gusset serves several crucial functions:
- Improved hygiene: Cotton helps absorb moisture and allows ventilation, reducing the risk of infections.
- Comfort: It prevents irritation caused by synthetic fabrics rubbing directly against the skin.
- Protection: It adds a discreet layer of reinforcement to an area with more friction and wear.
- Interestingly, in extremely cheap underwear, the gusset may be only partially sewn or even non-functional—revealing how essential the feature truly is in quality garments.
3. The Seam Patterns and Stitching
Those tiny zigzag stitches or visible seams aren’t accidental—they’re designed to stretch without snapping. Underwear must move with the body, and specialized stitching prevents tearing or discomfort. Flatlock seams, for example, lie flat against the skin to reduce irritation, making them popular in sports or seamless underwear.
Different stitching types signal different functions:
- Zigzag stitch: Offers flexibility for elastic edges
- Overlock stitch: Prevents fraying
- Bonded seams: Create a smooth, almost invisible finish under tight clothing
The design may look simple, but the engineering behind it is more advanced than many realize.
