Result Polartherm Zip neck fleece jacket RS33

Winter Workwear Fleeces 2026

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The Heavyweight Fleece Heroes: Built for Builders, Farmers & Construction

When you’re working a 12-hour shift on a cold site or out in the fields at dawn, a “fashion fleece” just won’t cut it. You need layered gear that acts as a barrier against the elements while standing up to the daily muck and grind of outdoor work.

At HT Hughes, we specialise in heavyweight workwear designed for the toughest trades. Here is a look at the three “heavy hitters” in our fleece range that are currently the top choice for outdoor professionals.

Portwest F400 Argyll Heavy Fleece
  1. The Portwest F400 Argyll Heavyweight Fleece Jacket: 400g of Pure Warmth

This is the “big gun” of the fleece jacket world. While standard fleeces usually sit around 240–280gsm, the Portwest F400 is a massive 400gsm heavyweight polar fleece.

  • Why it’s perfect for builders: It features an anti-pill fleece finish, meaning it won’t get “bobbled” or thin after a few weeks of hard wear, or when you throw a sheep over your shoulder.
  • The Fit: It has a generous fit for comfort, allowing you to layer it over a thermal base without feeling restricted.
  • Perfect when worn under one of our generous fitting overalls such as the Agri II
  1. The Uneek UC601 Heavy Fleece: Premium Strength & Styling

The Uneek UC601 is a 380gsm powerhouse. It’s slightly more “micro-fleece” in texture than the Argyll, which makes it incredibly dense and effective at blocking wind.

  • Why it’s perfect for farmers: It features twin-needle stitching for extra durability at the seams. Whether you’re climbing over gates or hauling equipment, this jacket is built to resist tearing.
  • Practicality: With zipped pockets and elasticated pull cords, you can “seal in” the heat when the temperature drops.
  • Unbelievable pricing from just £11.88 each plus vat
UC601 Uneek Heavyweight Fleece Jacket Navy
  1. The Portwest F300 Fleece Jacket: Hi-Vis Safety Meets Warm Insulation

For construction workers on-site, safety and warmth have to go hand-in-hand. The Portwest F300 is a 300gsm fleece that doesn’t just keep you warm—it keeps you compliant.

  • Certified Protection: It is fully certified to EN ISO 20471 Class 3, ensuring you are visible in low-light conditions.
  • Rail Industry Ready: The orange version meets RIS 3279-TOM standards, making it the go-to choice for trackside work.
  • Mesh Lined: Unlike basic fleeces, the F300 is mesh-lined to help with breathability, so you don’t get that “sweaty” feeling during high-intensity tasks.

SHOP THE FULL RANGE OF WINTER WORKWEAR FLEECES HERE

Shop with us today!

Portwest Hi-Vis Mesh Lined Fleece Jacket F300 Orange

HT Hughes - Clothes that work

Custom clothing specialists since 1928, offering a wide range of apparel including high-vis, waterproofs, fire-retardant clothing, footwear and PPE. Embroidered and Printed customisation options are available.

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