the.com/gusset
the unsung diamond of fabric that lets your jeans survive every reckless lunge.
crotch heroReinforces seams where stress and movement concentrate hardest
medieval armorFilled gaps in chainmail at joints and armpits
engineering twinSteel gusset plates hold bridges and roofs together
underwear stapleCotton gussets exist for breathability and hygiene
old wordFrom French gousset, meaning small pouch or armpit