Portwest thermal long johns

Portwest thermal long johns

These Portwest thermal long johns are a single layer worn close to the body, designed to be used as a base under other clothing. As thermal underwear, they are ideal when you want an extra layer without changing the rest of your outfit. The material is polyester, which provides a light, smooth surface and makes the trousers easy to wear under outer trousers.

The fit is kept in place with an elasticated waistband, so the trousers stay put when you move. This also means they are easy to take on and off, whether they are used as a regular layer in your wardrobe or only brought out when needed. Portwest has kept the construction simple, giving you a pair of polyester base layer bottoms with a focus on basic functionality and comfort at the waist.

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