Thermal base layers engineered for warmth, moisture control, and comfort during cold‑weather operations.

Base Layers and Thermals

B120NAR Portwest B120 Thermal T Shirt Short Sleeve. A traditional t-shirt cut that offers optimum warmth at all times. The material construction allows the skin to breathe if conditions become too warm. The round neck makes it ideal for wearing as an under-garment
B120NAR R Portwest B120 Thermal T Shirt Short Sleeve. A traditional t-shirt cut that offers optimum warmth at all times. The material construction allows the skin to breathe if conditions become too warm. The round neck makes it ideal for wearing as an under-garment
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Portwest B120 Thermal T-Shirt Short Sleeve

In stock

£7.66 Exc. Vat
Black
Blue
This product has multiple variants. The options may be chosen on the product page
B121NAR Portwest B121 Thermal Trousers. creates a layer of warmth around the lower body. The soft poly-cotton fibres and fabric knitting mean that heat is trapped in. Cuffed hem and elasticated waist provide a comfortable fit.
B121NAR R Portwest B121 Thermal Trousers. creates a layer of warmth around the lower body. The soft poly-cotton fibres and fabric knitting mean that heat is trapped in. Cuffed hem and elasticated waist provide a comfortable fit.
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Portwest B121 Thermal Trousers

In stock

£7.83 Exc. Vat
Black
Blue
This product has multiple variants. The options may be chosen on the product page
B123BKR Portwest B123 Thermal Long Sleeve T Shirt offers optimum warmth at all times. The material construction allows the skin to breathe if conditions become too warm. The round neck makes it ideal for wearing as an under-garment
B123NAR Portwest B123 Thermal Long Sleeve T Shirt offers optimum warmth at all times. The material construction allows the skin to breathe if conditions become too warm. The round neck makes it ideal for wearing as an under-garment
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Add to wishlist

Portwest B123 Thermal Long Sleeve T-Shirt

In stock

£8.50 Exc. Vat
Black
Blue
This product has multiple variants. The options may be chosen on the product page