Portwest B121 Thermal Work Trousers

  • Thermal leggings style work trousers for excellent warmth
  • Can be worn underneath jeans or joggers at work
  • Ribbed hem ensures a secure and comfortable fit
  • Supplied in a wide range of colours
Our Price:  £4.61
Excl. VAT. (£5.53 Inc. 20% VAT)

Portwest B121 Thermal Work Trousers

Working outdoors, in cold stores and in freezers can be pretty chilly even when wearing the thickest of coats and trousers. Portwest B121 Thermal Work Trousers are an excellent baselayer, a must have final layer of protection against the extreme cold.

Why Should I Buy the Portwest B121 Thermal Work Trousers?

  • Made from a polyester and cotton mix to keep you warm
  • Can also keep you cool by preventing sweat build up
  • Can be worn underneath your work clothing
  • Designed to fit comfortably on your legs
  • Ribbed hem offers a comfortable fit

Which Sized Thermal Trousers Should I Buy?

To purchase the correct sized trousers for you, you can measure the circumference of your waist, and match to the sizing guide below. Once this has been completed, you can choose your size and colour by clicking on the drop-down menu at the top of the page.

Size Waist Measurement (Inches)
Small 30 - 32"
Medium 33 - 34"
Large 36 - 38"
Extra Large 40 - 41"
XX-Large 42 - 43"

Where Can I Use the Portwest Thermal Work Trousers?

The Portwest B121 Thermal Work Trousers are an excellent thermal baselayer that is designed for use below clothing. You can use them beneath your work clothes, making them a popular choice for workers who spend time in the cold store or those who spend time outdoors. Suitable uses include:

  • Wearing as a baselayer during cold store and freezer work
  • Additional warmth for use while working outside
  • Can keep you warm while driving
  • Can keep you warm while playing sport

How Warm Are the Portwest Thermal Trousers?

The Thermal Trousers are designed using polyester, meaning that they can trap heat inside without letting any escape. As they are designed to be quite tight fitting, it means that you can be quite active while wearing the top without any cold air getting through. This makes them perfect for use as a baselayer, even in extremely cold conditions.

What Documentation Is Available?

Portwes 371 Conformity

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This item will be dispatched by 1st Class Royal Mail, DPD courier or UPS courier.

The estimated delivery time for this item is usually 1-3 working days when ordered before 14:00, Monday to Friday (excluding Bank Holidays).

Please contact our Customer Care Team on 020 7501 0598 for an up to the minute delivery expectation for this product.

UK Delivery Charges

Certain orders delivered to the UK are subject to a delivery charge; refer to the table below for more information. Please note that all values are listed exclusive of VAT.

Order Value UK Delivery Charge
Up to £39.99 £4.95
£40.00 and over FREE

Coronavirus Update

Please note that, due to the current COVID-19 pandemic, our processing time may increase slightly. We would advise that orders may be set back by as much as five working days, though we are striving to keep our delivery schedule as close to normal as possible.

If you have been waiting over 7 working days for your order and would like an update, please contact our Customer Care team at helpdesk@workwear.co.uk.