The Portwest B125 Women’s Thermal Trousers are a base layer designed for women working in cold environments. Worn under your work trousers, they add a layer of warmth around the legs and lower body.
The soft knitted polycotton fabric traps body heat close to the skin. An elasticated waist and ribbed hems keep the layer comfortably in place under your outer clothing.
Key features
- Knitted polycotton fabric traps heat to provide insulation and thermal protection
- Elasticated waist holds the trousers in place without a belt
- Ribbed hems sit snugly at the ankle and help keep warmth in
- Designed specifically for women
- Part of the All Weather Protection range
Materials and performance
50% polyester, 50% cotton, 200g.
Standards and protection
Certified to EN 14058 Class 2 (0.140 (M².K/W), Clo: 0.9), the European standard for garments that protect against cool environments.
Fit and sizing
Regular fit. See our Portwest Sizing Guide for detailed information.
Layering
Wear them as the first layer next to the skin, under your usual work trousers or overtrousers, to add warmth on cold shifts.
Care
- Machine wash at 40°C on a gentle cycle
- Do not bleach
- Do not tumble dry
- Line dry
- Iron at a medium temperature (max 150°C)
Add your logo
If you’d like to add your logo to the Portwest B125 Women’s Thermal Trousers, please contact us.



























