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Sale!

Westin W4 Jacket – Gunmetal – SALE

Original price was: £149.99.Current price is: £100.00.

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Anglers Serving Anglers

Our entire team at Gerry’s are all experienced anglers and can help you choose the correct tackle for any fishing situation. Please drop us a message or give us a call if you need any help.

You can return unused standard items within 30 days for exchange or refund.

We check our prices weekly to ensure we can combine our fabulous service with the best prices. If you find an item cheaper and in stock somewhere else, drop us a a message in the chat box and we can see what we can do. 

This item is available for next day delivery. You can pick this in the checkout.

We offer free post to any mainland UK address with a basket of more than £80. We also send all over the world and the best way to find out how much postage you will pay is in our checkout. Add the items to your basket and then add your address. Our checkout will automatically calculate your total.

We have come from a tiny fishing store and grown into one of the biggest fishing tackle retailers in the UK winning countless awards over the years. We are still a family business offer fabulous service online and in-store.

Spread the cost of larger orders over 6 or 12 month 0% APR. We also offer longer terms with APR charges via V12 finance. Available in the checkout.

You can make your next purchase a little easier on the wallet by splitting the total into 3 payments by using Klarna payments in the checkout.

SKU – WES426955775

Product Details and Uses

Westin W4 Jacket – Gunmetal

When the forecast turns sour and the wind starts to bite, the Westin W4 Jacket is the armor you need to stay focused on the strike. Westin has a reputation for over-engineering their gear, and the W4 is no exception. Designed specifically for the mobile predator angler, this jacket combines heavy-duty durability with the mobility required for repeated casting.

Built from a rugged combination of 100% Nylon Taslan Oxford and Rip-stop fabric, this jacket is designed to survive the harshest environments—whether you’re pushing through bankside brush or facing spray on a fast-moving boat. With a massive 15,000mm waterproof rating, it provides a complete barrier against torrential rain, while the 5,000mvp breathability ensures you don’t overheat when you’re on the move.


Technical Specifications

Feature Specification
Material (Main) 100% Nylon Taslan Oxford
Material (Reinforcement) 100% Nylon Taslan Rip-stop
Waterproof Rating 15,000mm
Breathability Rating 5,000mvp
Seams Fully Sealed/Taped
Finish Eco DWR Bionic finish®
Zippers Strong 2-way center front zip
Collar High, fleece-lined for warmth
Hood Adjustable, rolls up into collar

Westin Chest Size Guide

To ensure the best fit for layering, please refer to the guide below:

  • Small: 36″ – 37″

  • Medium: 38″ – 40″

  • Large: 42″ – 44″

  • X-Large: 46″ – 48″

  • XX-Large: 50″ – 52″

  • 3X-Large: 54″ – 56″


Gerry’s Pro Tip

“The beauty of the W4 is in the details that most anglers overlook. The articulated and reinforced elbows are a massive plus for lure fishing—you won’t feel that annoying ‘pull’ across your back when you’re making high-frequency casts. Also, keep an eye on that 2-way center zip; when you’re sitting down in a boat or on a chair, unzip the bottom slightly to prevent the jacket from bunching up around your neck. It’s a small feature that makes a huge difference in comfort over an 8-hour session.”


Where to Use the Westin W4

  • Boat Fishing: The high, fleece-lined collar and roll-up hood are essential for protecting your face and neck from the “wind-burn” and spray of a moving boat.

  • Trekking the Banks: The Rip-stop panels ensure that if you catch a stray branch or bramble while searching for that hidden swim, your jacket stays in one piece.

  • Winter Predator Sessions: With its generous cut, the W4 is perfect for layering over a heavy fleece or a Megabass Blowattack hoodie for ultimate thermal protection.

  • Rainy Match Days: The 15,000mm rating is far higher than standard leisure waterproofs, making this your go-to ‘dry suit’ for days when it simply won’t stop raining.


Frequently Asked Questions

What does 15,000mm waterproof mean?

In simple terms, it means you can stay out in heavy, sustained rain for extended periods without the water penetrating the fabric. Most standard ‘waterproof’ jackets are around 5,000mm or 10,000mm; at 15,000mm, the W4 is entering the realm of professional-grade foul-weather gear.

How do I maintain the Eco DWR Bionic finish®?

The Bionic finish is an eco-friendly coating that makes water bead off the surface. Over time, dirt and oils can mask this. We recommend washing the jacket with a technical wash (like Nikwax) rather than standard detergent, which can strip the coating. A quick tumble dry on low heat after washing often ‘reactivates’ the DWR finish.

Are the pockets waterproof?

The large chest and lower pockets feature high-quality zippers and are designed to be highly water-resistant. While they will keep your gear dry in almost all conditions, we always recommend keeping electronics in a dedicated waterproof pouch if you plan on being out in a literal monsoon.

Is the hood fixed?

The hood is fully adjustable for a snug fit around your face, but it is not detachable. Instead, it is designed to roll up neatly and tuck inside the collar, giving you a cleaner look and less wind resistance when the hood isn’t needed.

Anglers Serving Anglers

Our entire team at Gerry’s are all experienced anglers and can help you choose the correct tackle for any fishing situation. Please drop us a message or give us a call if you need any help.

You can return unused standard items within 30 days for exchange or refund.

We check our prices weekly to ensure we can combine our fabulous service with the best prices. If you find an item cheaper and in stock somewhere else, drop us a a message in the chat box and we can see what we can do. 

This item is available for next day delivery. You can pick this in the checkout.

We offer free post to any mainland UK address with a basket of more than £80. We also send all over the world and the best way to find out how much postage you will pay is in our checkout. Add the items to your basket and then add your address. Our checkout will automatically calculate your total.

We have come from a tiny fishing store and grown into one of the biggest fishing tackle retailers in the UK winning countless awards over the years. We are still a family business offer fabulous service online and in-store.

Spread the cost of larger orders over 6 or 12 month 0% APR. We also offer longer terms with APR charges via V12 finance. Available in the checkout.

You can make your next purchase a little easier on the wallet by splitting the total into 3 payments by using Klarna payments in the checkout.

SKU – WES426955775

Chest Size Guide

Penn Chest Size Guide

Small (36″-37″)

Medium (38″-40″)

Large (42″-44″)

XLarge (46″-48″)

XXLarge (50″-52″)

Wader Waist Guide

Small (28″-30″)

Medium (30″-33″)

Large (34″-37″)

XLarge (37″-39″)

XXLarge (39″-42″)

3XLarge (42″-45″)

Kinetic/Westin Chest Size Guide

Small (36″-37″)

Medium (38″-40″)

Large (42″-44″)

XLarge (46″-48″)

XXLarge (50″-52″)

3XLarge (54″-56″)

Grundens Chest Size Guide

Small (36″-37″)

Medium (38″-40″)

Large (42″-44″)

XLarge (46″-48″)

XXLarge (50″-52″)

3XLarge (54″-56″)

Vass Chest Size Guide

Small (36″-38″)

Medium (38″-41″)

Large (42″-44″)

XLarge (45″-46″)

XXLarge (47″-48″)

3XLarge (49″-51″)

Trakker Chest Size Guide

Small (38-40″)

Medium (41-43″)

Large (44-46″)

Xlarge (47-49″)

XXLarge (50-52″)

XXXLarge (53-55″)

Korda Chest Size Guide

Small (36″-38″)

Medium (38″-41″)

Large (42″-44″)

XLarge (45″-46″)

XXLarge (47″-48″)

3XLarge (49″-51″)

Guy Cotten Chest Size Guide

Small (86 – 94cm)

Medium (94 – 102cm)

Large (102 – 110cm)

XLarge (110 – 124cm)

XXLarge (124 – 134cm)

3XLarge (134 – 154cm)

Fox Chest Size Guide

Small (36″-38″)

Medium (39″-41″)

Large (42″-44″)

XLarge (45″-47″)

XXLarge (48″-50″)

3XLarge (51″-54″)

4XLarge (55″-60″)

Nash Chest Size Guide

Small (36″-38″)

Medium (39″-41″)

Large (42″-44″)

XLarge (45″-47″)

XXLarge (48″-50″)

3XLarge (51″-54″)

4XLarge (55″-60″)

Aqua Chest Size Guide

Small (38-40″)

Medium (41-43″)

Large (44-46″)

Xlarge (47-49″)

XXLarge (50-52″)

XXXLarge (53-55″)

Guru Chest Size Guide

Small (36″-38″)

Medium (38″-41″)

Large (42″-44″)

XLarge (45″-46″)

XXLarge (47″-48″)

3XLarge (49″-51″)

Preston Chest Innovations Size Guide

Small (36″-38″)

Medium (38″-41″)

Large (42″-44″)

XLarge (45″-46″)

XXLarge (47″-48″)

3XLarge (49″-51″)

Trouser Waist Guide (Inches) 

Small – 28″ – 32″

Medium 32″ – 34″

Large – 34″ – 36″

X-Large 36″ – 38″

XX-Large – 38″ – 42″

XXX-Large 42″ – 46″

XXXX-Large 46″ – 52″