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£399.00 Regular price £510.00
Introduced into Filson product some fifty years ago, Filson original Jac-Shirt has served more outdoorsmen in a wider range of conditions than we could begin to count. This limited-edition take... Read more



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  • Introduced into Filson product some fifty years ago, Filson original Jac-Shirt has served more outdoorsmen in a wider range of conditions than we could begin to count. This limited-edition take on that icon is built with our thickest, warmest Mackinaw Wool for unfailing warmth and protection in colder weather.

    Filsons 100% virgin Mackinaw Wool features a unique and complex fiber structure that wicks moisture to the top of each fiber for evaporation. This natural wicking process has yet to be duplicated by any fabric developed in laboratories, and is the main reason wool has been the fabric of choice for protection in foul weather for centuries. In fact, our Mackinaw Wool Jac-Shirt can absorb up to 30% of its own weight in water without feeling damp or clammy.

    The crafting our Mackinaw Wool, only the longest and strongest fleece fibers are selected. They’re spun into dense, strong yarns that are tightly woven in a twill pattern that yields a fabric that is highly water resistant and turns away cold wind while maintaining outstanding breathability. This exceptional fabric wears like iron–we often receive reports of our Mackinaw Wool coats being handed down to the next generation.

    Built in the Seattle factory, Filson fused the Mackinaw Wool that’s sheltered woodsmen and foresters from cold, rainy weather in the forests of the Pacific Northwest for over a century with the easy-wearing versatile utility of a heavy shirt. With a classic button-front closure and adjustable cuffs, it’s easy to dial in the ideal ventilation for your exertion level. The flapped front pockets keep essentials close at hand and are secured with buttons that are hidden so they won’t snag on equipment or gear.

    The Mackinaw Wool Jac-Shirt – a limited-edition, heavyweight 100% wool fortress of protection with the easy-wearing form factor of your favourite over shirt.

    Built with 26-oz. 100% Mackinaw Wool
    Water- and wind resistant; insulates even when wet
    Buttoning front, adjustable cuffs and pocket flaps
    Chest pocket flaps are hidden for snag-free use
    Military-grade melamine buttons throughout

    ITEM NO.

    26-oz. 100% Mackinaw Wool

    Outdoor; Field; Hunting; Everyday

    Dry Clean

  • UK Delivery

    Free Royal Mail tracked 48 delivery on orders over £75

    • Standard Delivery  £4.99 (2-3 working days)
    • Express Delivery   £6.99 (1-2 working days)

    Please note: Some items may incur additional postage charges due to their size and weight. This will be displayed at the checkout stage of your purchase. Example products: Umbrellas, golf clubs, hockey sticks, racquets, snooker/pool cues, skis/snowboards, table tennis tables etc.

    Click & Collect

    We offer a Collect in Store option at our checkout page. Once your payment is processed and your order is ready to collect, we will send you a 'Ready for Collection' email.

    • Please do not attempt to collect your order unless you have received your ‘Ready for collection’ email.
    • Collection can be made Monday - Saturday between 10am-5.30pm. Please note our store is closed on a Sunday.

    International Shipping

    Please click here to view our worldwide delivery rates.
    We use a combination of couriers including Royal Mail and Parcel Force.

    Returns & Exchanges

    While we hope that you will love every purchase, if you are not completely satisfied with your goods, we will happily offer you a full refund or free exchange.

    You are entitled to a refund or an exchange if you contact Greaves Sports within 14 days of receipt to acknowledge the return. You then need to return your item(s) within a further 14 days in a perfect, resalable condition with all labels and tags attached. You can return your items in the post or at our store.

    *Please note: underwear, face masks & personalised items are non-returnable.

    For more information on our returns policy click here.

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