underclothes
nounUK /ˈʌndəkləʊðz/
US /ˈʌndərkloʊðz/
Clothes you wear under your other clothes, close to your skin.
She packed clean underclothes for the trip.
OTHER MEANINGS
2. Clothing worn next to the body for warmth in cold weather.
He wore thermal underclothes under his snowsuit.
3. The layer of garments beneath a visible outfit.
Her underclothes peeked out from under the sweater.
4. Items like undershirts and briefs sold in a clothing store.
The shop sells socks and underclothes on the ground floor.