BY APPOINTMENT TO
HIS MAJESTY THE KING
SUPPLIERS OF CLEANING AND
HYGIENE PRODUCTS
ASTRAL HYGIENE LTD
ST BOSWELLS

The Portwest B123 Thermal Long Sleeve T-Shirt is designed to deliver consistent warmth and breathable comfort in cold working conditions. Made from a durable blend of polyester and cotton, this thermal base layer is ideal for layering under workwear. Its round neck and long sleeve design offer full coverage, making it a reliable choice for outdoor and industrial environments.

Colour

Black Grey French Navy Navy White

Size

Quantity

Product Details

B123 - Thermal T-Shirt Long Sleeve

The Portwest B123 Thermal Long Sleeve T-Shirt in Black is a practical base layer designed to keep workers warm while allowing the skin to breathe. Made from a 50% polyester and 50% cotton blend, this 6oz fabric provides excellent thermal insulation without trapping moisture—ideal for fluctuating temperatures in cold work environments.

Its long sleeve design and round neck make it suitable for layering under jackets, coveralls, or waterproofs. Whether used in construction, warehousing, or outdoor maintenance, the B123 delivers reliable warmth and comfort throughout the workday.

Key Features:

Material: 50% Polyester, 50% Cotton (6oz) for warmth and breathability
Design: Long sleeve with round neck for full coverage
Functionality: Ideal for layering in cold environments
Comfort: Soft fabric construction allows skin to breathe and prevents overheating

Best For:

Outdoor work
Cold storage environments
Industrial and construction settings

Whether you're working outside or in temperature-controlled environments, the Portwest B123 Thermal T-Shirt keeps you warm, dry, and comfortable throughout the day.

Materials:

50% Polyester
50% Cotton

Designed to deliver superior warmth and comfort in cold working environments. Made from a soft poly-cotton blend, these thermal base layer trousers feature an elasticated waistband and cuffed hems to retain heat and ensure a secure fit. Ideal for layering under workwear in cold conditions, without compromising mobility.

£7.85

Details & Buy

B151 - Base Pro Antibacterial Legging

Stay warm, dry, and protected with the Portwest B151 Base Pro Antibacterial Legging. Designed for high-performance work environments, this thermal base layer offers moisture-wicking comfort and odour control thanks to its silver ion treatment. Ideal for construction, outdoor work, and cold storage settings.

£12.35

Details & Buy

B153 - Base Pro Antibacterial Top

Stay fresh and dry with the Portwest B153 Base Pro Antibacterial Top. Designed for multi-season use, this close-fitting thermal layer features silver ion technology to combat odour and enhance hygiene. Ideal for construction, logistics, and outdoor work environments.

£12.35

Details & Buy

B123 - Thermal T-Shirt Long Sleeve

Product Details

B123 - Thermal T-Shirt Long Sleeve

Key Features:

Best For:

Materials:

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