Men's Long Johns 2 Pack – 0.45 Tog Thermal Base Layer, S–XXL
RZK25030
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A two-pack of thermal long johns rated at 0.45 tog, with a brushed inner face that holds warm air against the skin. The 50% polyester, 50% cotton blend keeps them soft enough for all-day wear while holding their shape through repeated washing.
The ribbed knit is close-fitting by design, so they layer under work trousers or jeans without bunching behind the knee.
Waist sizes
- Small: 29–32"
- Medium: 33–35"
- Large: 36–38"
- X-Large: 39–42"
- XX-Large: 43–45"
Measurements are approximate. If you fall between two sizes, take the larger one, a base layer pulled tight loses some of the trapped air that keeps you warm.
Colours and care
White, blue, charcoal, black, navy and grey. Machine wash at 40°C, tumble dry safe, wash darks separately.




