This article is about the item of clothing. For the musical group, see The Trews.

Trews (Gaelic Truibhs) are men's clothing for the legs and lower abdomen, a traditional form of Scottish apparel. Trews could be trimmed with leather, probably buckskin, especially on the inner leg to prevent wear from riding on horseback.

Trews may be origin of the word trousers.

Tartan trews shared the fate of other items of Highland dress, including proscription and the Romantic Revival; see kilt for a full discussion.

Traditional trews

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Traditional trews were form-fitting garments, similar to the footed hose of the Renaissance, from which they probably evolved. They could be cut as Knee-breeches or full length.

These trews were cut on the cross-grain (US bias), which allowed the fabric to stretch sufficiently to mould to the body, and placed the tartan "sett" on the diagonal.

Modern trews and Military trews

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Modern trews are more like trousers, with the fabric cut on the straight grain but without a side seam, and are often high-waisted, to be worn with a short jacket, as an alternative to the kilt.

Military trews are usually worn by members of the lowland Scottish regiments as part of their dress uniforms and mess uniforms. Members of highland Scottish regiments are usually authorized to wear Kilts with these uniforms. Trews are also part of the uniform of the composite regiment known as The Highlanders (Seaforth, Gordons and Camerons).

Plus-fours and Golf Attire

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Tartan Plus-fours are traditional golfing attire that are based on the Traditional trews. These pants extend 4 inches below the knee and are often worn with argyle knee-socks. Plus-fours were first introduced to the USA by the Prince of Wales during a 1924 visit. The full-length plaid pants popular with many golfers are also based on trews, but are cut fuller for more freedom of movement and warmer climates.

Scottish dress | Scottish cultural icons | Military uniforms