That “little button” inside underwear isn’t a button at all—it’s a gusset.
🩲 What it is
Gusset
It’s the small, often oval-shaped patch sewn into the crotch of panties.
🧠 What it’s actually for
1) Hygiene
- Usually made from breathable fabric (often cotton)
- Helps absorb moisture and keeps the area dry
2) Comfort
- Adds a soft layer between the body and seams
- Reduces irritation and friction
3) Better fit and durability
- Reinforces the most stressed part of the garment
- Prevents tearing and improves shape
❓ Why it sometimes looks “open”
- Often only stitched on two sides
- This is normal and part of how it’s manufactured (it allows clean seam finishing)
🧠 Bottom line
That “little button” is:
👉 a functional fabric panel for comfort, hygiene, and durability
—not decorative or useless.
If you want, I can explain other hidden clothing design features most people never notice—they’re surprisingly practical.
