Portwest FR thermal long johns

Portwest FR thermal long johns

These thermal long johns from Portwest are a functional layer when documented properties are needed close to the body. As FR thermal long johns, they are made from a material blend of modacrylic, cotton and carbon fibre, combining comfort and technical fibres in one construction.

The materials contribute several key qualities: the inherently flame-retardant fibres provide flame protection that is built into the fibres themselves rather than added through a finish. At the same time, the fabric is antistatic, which can be relevant in environments where static electricity needs to be limited. In addition, it offers UV-protective properties, which can be a practical factor during prolonged exposure to light.

The fit is kept simple and stable with an elasticated waist, while ribbed cuffs at the leg openings help keep the trousers in place under other clothing. This makes the Portwest FR thermal long johns well suited as a discreet, technical base layer for everyday use.

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