Portwest B123 Thermal Long Sleeve T-Shirt

  • Long-sleeve t-shirt that offers excellent warmth
  • Perfect for wearing underneath clothes at work
  • Features round neck and sleeves for comfort
  • Supplied in a wide range of colours
Our Price:  £4.97
Excl. VAT. (£5.96 Inc. 20% VAT)

Portwest B123 Thermal Long Sleeve T-Shirt

The Portwest B123 Thermal Long Sleeve T-Shirt is a comfortable thermal baselayer t-shirt that can keep you warm at work. Designed using a mix of polyester and cotton, this baselayer offers maximum warmth, comfort and flexibility.

Why Should I Buy the Portwest B123 Thermal T-Shirt?

  • 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 around the body
  • Round neck and long sleeves for extra comfort

Which Sized Thermal T-Shirt Should I Buy?

To purchase the correct sized t-shirt for you, you can measure the circumference of your chest, 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.

How to Measure Your Chest

Size Chest Measurement (inches)
Small 36 - 38"
Medium 39 - 41"
Large 42 - 44"
Extra Large 46 - 48"
XX-Large 49 - 52"

Where Can I Use the Portwest Thermal T-Shirt?

The Portwest B123 T-Shirt is an excellent thermal baselayer that is designed for use below clothing. You can use it beneath your work clothes, making it 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 Is the Portwest Thermal Baselayer?

The Thermal T-Shirt is designed using polyester, meaning that it can trap heat inside without letting any escape. As it is 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 it 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.