belted plaid

from The Century Dictionary.

• the plaid worn by the Highlanders of Scotland in full military dress: so called from being kept tight to the body by a belt: as, “wi' belted plaids and glittering blades,”

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A large blanket-like piece of fabric, worn wrapped around the body with the material loosely gathered and secured at the waist by means of a belt; a standard item of men's Highland dress from the late 16th century until the middle of the 18th century, and the precursor of the modern kilt.