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Portwest Merino Wool 1/4 Zip Baselayer Top - Black

1/4 length centre front zip for added comfort and versatility

check_boxIn Stock - 1,587+ available

check_boxIn Stock - 444+ available

check_boxIn Stock - 591+ available

check_boxIn Stock - 269+ available

check_boxIn Stock - 162+ available

check_boxIn Stock - 121+ available

local_shipping Next Working Day Delivery (if ordered by 3pm) Delivery: Next Working Day Delivery (if ordered by 3pm) Delivery: Next Working Day Delivery (if ordered by 3pm) Delivery: Next Working Day Delivery (if ordered by 3pm) Delivery: Next Working Day Delivery (if ordered by 3pm) Delivery: Next Working Day Delivery (if ordered by 3pm)
  • Provides insulation and thermal protection
  • Designed with a comfort fit
  • Mulesling free
  • Ideal for all seasons
  • Flat lock seams for extra comfort
  • Naturally moisture wicking and breathable
  • Lightweight for enhanced wearer comfort
B184BKR B184BKRS B184BKRM B184BKRL B184BKRXL B184BKRXXL

Quantity prices

Checking quantity prices...

Need a larger quantity? Request a bulk quote →
Colour
SmallB184BKRS
£33.64 ex VAT£40.37 inc VAT
444 available
MediumB184BKRM
£33.64 ex VAT£40.37 inc VAT
591 available
LargeB184BKRL
£33.64 ex VAT£40.37 inc VAT
269 available
XLB184BKRXL
£33.64 ex VAT£40.37 inc VAT
162 available
XXLB184BKRXXL
£33.64 ex VAT£40.37 inc VAT
121 available

Your selection

  • Choose a size to start.
0 units£0.00 ex VAT

Prices per individual item

1+ items
- 9 items
10+ items
£40.37 inc vat
£43.28 inc vat
£41.80 inc vat
£33.64 ex vat
£36.07 ex vat
£34.83 ex vat

Prices per individual item

1 - 4 items
5 - 9 items
10+ items
£40.37 inc vat
£39.96 inc vat
£39.56 inc vat
£33.64 ex vat
£33.30 ex vat
£32.97 ex vat

Prices per individual item

1 - 4 items
5 - 9 items
10+ items
£40.37 inc vat
£39.96 inc vat
£39.56 inc vat
£33.64 ex vat
£33.30 ex vat
£32.97 ex vat

Prices per individual item

1 - 4 items
5 - 9 items
10+ items
£40.37 inc vat
£39.96 inc vat
£39.56 inc vat
£33.64 ex vat
£33.30 ex vat
£32.97 ex vat

Prices per individual item

1 - 4 items
5 - 9 items
10+ items
£40.37 inc vat
£39.96 inc vat
£39.56 inc vat
£33.64 ex vat
£33.30 ex vat
£32.97 ex vat

Prices per individual item

1 - 4 items
5 - 9 items
10+ items
£40.37 inc vat
£39.96 inc vat
£39.56 inc vat
£33.64 ex vat
£33.30 ex vat
£32.97 ex vat
Buying for a team or need a larger quantity? Get a quote for bulk orders, account pricing or branded workwear. Request a business quote →

RELATED PRODUCTS - COMPLETE THE LOOK

KEY FEATURES

Comfort & practical features

Breathable Garment

Breathable Garment

This garment is made of a high-performance breathable fabric.

PRODUCT & BRAND NOTES

Gold Ecovadis Sustainability Rating 2026

Gold Ecovadis Sustainability Rating 2026

Portwest has been independently rated by Ecovadis for its environmental, social, and ethical performance and achieved a gold rating, meaning they are in the top 5% of globally rated companies.
The pillars taken into consideration include the environment, labour practices and human rights, ethics, and sustainable procurement.

New Style

New Style

This product is a new addition to the range of Portwest products.

PRODUCT DETAILS & SPECIFICATIONS

The Portwest Merino Wool 1/4 Zip Baselayer Top - Black stands as an essential for those seeking both comfort and protection in varying work environments. Crafted with high-content merino wool, it ensures enhanced thermal insulation. The top comes designed with a convenient 1/4 zip, allowing for easy ventilation and adaptability to changing conditions. Moreover, it brings a series of features such as moisture-wicking and anti-odour properties, promising you a fresh and dry experience throughout your work day.

Key Features:

  • High Merino Wool Content: Provides excellent insulation and thermal protection.
  • Comfort Fit: Designed to facilitate comfort and freedom of movement during work.
  • Mulesing Free: Guarantees the ethical sourcing of wool, adhering to the welfare of the sheep.
  • All-Season Applicability: Suitable to be worn in any season, providing comfort all year round.
  • Flat Lock Seams: Contributes to extra comfort by preventing irritation and chafing.
  • Moisture-Wicking and Breathable: Ensures you remain dry and comfortable, thanks to its breathability and moisture-wicking features.
  • Anti-Odour Properties: Helps to maintain freshness by reducing the build-up of odour.

Step into comfort and protection with the Portwest Merino Wool 1/4 Zip Baselayer Top - Black; a top that is not just a clothing item, but a reliable companion in your workday, meeting all your comfort and protective needs with grace.

  • Provides insulation and thermal protection
  • Designed with a comfort fit
  • Mulesling free
  • Ideal for all seasons
  • Flat lock seams for extra comfort
  • Naturally moisture wicking and breathable
  • Lightweight for enhanced wearer comfort
  • Anti-odour
  • Highly durable and long lasting
  • Ideal for all seasons
  • Antimicrobial and anti-odour properties
  • New style
  • Retail box which aids presentation for retail sales

The Portwest Merino Wool 1/4 Zip Baselayer Top - Black stands as an essential for those seeking both comfort and protection in varying work environments. Crafted with high-content merino wool, it ensures enhanced thermal insulation. The top comes designed with a convenient 1/4 zip, allowing for easy ventilation and adaptability to changing conditions. Moreover, it brings a series of features such as moisture-wicking and anti-odour properties, promising you a fresh and dry experience throughout your work day.

Key Features:

  • High Merino Wool Content: Provides excellent insulation and thermal protection.
  • Comfort Fit: Designed to facilitate comfort and freedom of movement during work.
  • Mulesing Free: Guarantees the ethical sourcing of wool, adhering to the welfare of the sheep.
  • All-Season Applicability: Suitable to be worn in any season, providing comfort all year round.
  • Flat Lock Seams: Contributes to extra comfort by preventing irritation and chafing.
  • Moisture-Wicking and Breathable: Ensures you remain dry and comfortable, thanks to its breathability and moisture-wicking features.
  • Anti-Odour Properties: Helps to maintain freshness by reducing the build-up of odour.

Step into comfort and protection with the Portwest Merino Wool 1/4 Zip Baselayer Top - Black; a top that is not just a clothing item, but a reliable companion in your workday, meeting all your comfort and protective needs with grace.

  • Provides insulation and thermal protection
  • Designed with a comfort fit
  • Mulesling free
  • Ideal for all seasons
  • Flat lock seams for extra comfort
  • Naturally moisture wicking and breathable
  • Lightweight for enhanced wearer comfort
  • Anti-odour
  • Highly durable and long lasting
  • Ideal for all seasons
  • Antimicrobial and anti-odour properties
  • New style
  • Retail box which aids presentation for retail sales

The Portwest Merino Wool 1/4 Zip Baselayer Top - Black stands as an essential for those seeking both comfort and protection in varying work environments. Crafted with high-content merino wool, it ensures enhanced thermal insulation. The top comes designed with a convenient 1/4 zip, allowing for easy ventilation and adaptability to changing conditions. Moreover, it brings a series of features such as moisture-wicking and anti-odour properties, promising you a fresh and dry experience throughout your work day.

Key Features:

  • High Merino Wool Content: Provides excellent insulation and thermal protection.
  • Comfort Fit: Designed to facilitate comfort and freedom of movement during work.
  • Mulesing Free: Guarantees the ethical sourcing of wool, adhering to the welfare of the sheep.
  • All-Season Applicability: Suitable to be worn in any season, providing comfort all year round.
  • Flat Lock Seams: Contributes to extra comfort by preventing irritation and chafing.
  • Moisture-Wicking and Breathable: Ensures you remain dry and comfortable, thanks to its breathability and moisture-wicking features.
  • Anti-Odour Properties: Helps to maintain freshness by reducing the build-up of odour.

Step into comfort and protection with the Portwest Merino Wool 1/4 Zip Baselayer Top - Black; a top that is not just a clothing item, but a reliable companion in your workday, meeting all your comfort and protective needs with grace.

  • Provides insulation and thermal protection
  • Designed with a comfort fit
  • Mulesling free
  • Ideal for all seasons
  • Flat lock seams for extra comfort
  • Naturally moisture wicking and breathable
  • Lightweight for enhanced wearer comfort
  • Anti-odour
  • Highly durable and long lasting
  • Ideal for all seasons
  • Antimicrobial and anti-odour properties
  • New style
  • Retail box which aids presentation for retail sales

The Portwest Merino Wool 1/4 Zip Baselayer Top - Black stands as an essential for those seeking both comfort and protection in varying work environments. Crafted with high-content merino wool, it ensures enhanced thermal insulation. The top comes designed with a convenient 1/4 zip, allowing for easy ventilation and adaptability to changing conditions. Moreover, it brings a series of features such as moisture-wicking and anti-odour properties, promising you a fresh and dry experience throughout your work day.

Key Features:

  • High Merino Wool Content: Provides excellent insulation and thermal protection.
  • Comfort Fit: Designed to facilitate comfort and freedom of movement during work.
  • Mulesing Free: Guarantees the ethical sourcing of wool, adhering to the welfare of the sheep.
  • All-Season Applicability: Suitable to be worn in any season, providing comfort all year round.
  • Flat Lock Seams: Contributes to extra comfort by preventing irritation and chafing.
  • Moisture-Wicking and Breathable: Ensures you remain dry and comfortable, thanks to its breathability and moisture-wicking features.
  • Anti-Odour Properties: Helps to maintain freshness by reducing the build-up of odour.

Step into comfort and protection with the Portwest Merino Wool 1/4 Zip Baselayer Top - Black; a top that is not just a clothing item, but a reliable companion in your workday, meeting all your comfort and protective needs with grace.

  • Provides insulation and thermal protection
  • Designed with a comfort fit
  • Mulesling free
  • Ideal for all seasons
  • Flat lock seams for extra comfort
  • Naturally moisture wicking and breathable
  • Lightweight for enhanced wearer comfort
  • Anti-odour
  • Highly durable and long lasting
  • Ideal for all seasons
  • Antimicrobial and anti-odour properties
  • New style
  • Retail box which aids presentation for retail sales

The Portwest Merino Wool 1/4 Zip Baselayer Top - Black stands as an essential for those seeking both comfort and protection in varying work environments. Crafted with high-content merino wool, it ensures enhanced thermal insulation. The top comes designed with a convenient 1/4 zip, allowing for easy ventilation and adaptability to changing conditions. Moreover, it brings a series of features such as moisture-wicking and anti-odour properties, promising you a fresh and dry experience throughout your work day.

Key Features:

  • High Merino Wool Content: Provides excellent insulation and thermal protection.
  • Comfort Fit: Designed to facilitate comfort and freedom of movement during work.
  • Mulesing Free: Guarantees the ethical sourcing of wool, adhering to the welfare of the sheep.
  • All-Season Applicability: Suitable to be worn in any season, providing comfort all year round.
  • Flat Lock Seams: Contributes to extra comfort by preventing irritation and chafing.
  • Moisture-Wicking and Breathable: Ensures you remain dry and comfortable, thanks to its breathability and moisture-wicking features.
  • Anti-Odour Properties: Helps to maintain freshness by reducing the build-up of odour.

Step into comfort and protection with the Portwest Merino Wool 1/4 Zip Baselayer Top - Black; a top that is not just a clothing item, but a reliable companion in your workday, meeting all your comfort and protective needs with grace.

  • Provides insulation and thermal protection
  • Designed with a comfort fit
  • Mulesling free
  • Ideal for all seasons
  • Flat lock seams for extra comfort
  • Naturally moisture wicking and breathable
  • Lightweight for enhanced wearer comfort
  • Anti-odour
  • Highly durable and long lasting
  • Ideal for all seasons
  • Antimicrobial and anti-odour properties
  • New style
  • Retail box which aids presentation for retail sales

The Portwest Merino Wool 1/4 Zip Baselayer Top - Black stands as an essential for those seeking both comfort and protection in varying work environments. Crafted with high-content merino wool, it ensures enhanced thermal insulation. The top comes designed with a convenient 1/4 zip, allowing for easy ventilation and adaptability to changing conditions. Moreover, it brings a series of features such as moisture-wicking and anti-odour properties, promising you a fresh and dry experience throughout your work day.

Key Features:

  • High Merino Wool Content: Provides excellent insulation and thermal protection.
  • Comfort Fit: Designed to facilitate comfort and freedom of movement during work.
  • Mulesing Free: Guarantees the ethical sourcing of wool, adhering to the welfare of the sheep.
  • All-Season Applicability: Suitable to be worn in any season, providing comfort all year round.
  • Flat Lock Seams: Contributes to extra comfort by preventing irritation and chafing.
  • Moisture-Wicking and Breathable: Ensures you remain dry and comfortable, thanks to its breathability and moisture-wicking features.
  • Anti-Odour Properties: Helps to maintain freshness by reducing the build-up of odour.

Step into comfort and protection with the Portwest Merino Wool 1/4 Zip Baselayer Top - Black; a top that is not just a clothing item, but a reliable companion in your workday, meeting all your comfort and protective needs with grace.

  • Provides insulation and thermal protection
  • Designed with a comfort fit
  • Mulesling free
  • Ideal for all seasons
  • Flat lock seams for extra comfort
  • Naturally moisture wicking and breathable
  • Lightweight for enhanced wearer comfort
  • Anti-odour
  • Highly durable and long lasting
  • Ideal for all seasons
  • Antimicrobial and anti-odour properties
  • New style
  • Retail box which aids presentation for retail sales

Specifications

Weight
0.999kg 0.999kg 0.999kg 0.999kg 0.999kg 0.999kg
Colour
Black
Country of Origin
 China
 China
 China
 China
 China
 China

Material Specs

Shell Fabric
50% Merino Wool, 50% Polyester
Shell Weight
140g

Specifications are subject to change - See Terms & Conditions for more info

WASHING INSTRUCTIONS

  • Max Wash Temp 30°C

    Wash at a Maximum Temperature of 30°C using a normal wash cycle

  • Do Not Bleach
  • Do Not Tumble Dry
  • Line Dry
  • Do Not Iron
  • Do Not Dry Clean