Ruffwear Cooling Dog Vest: Swamp Cooler


When shade is low and the mercury is high, dogs can count on the Swamp Cooler to help get them outside!

Strategic material choices and design offer solutions for the challenges that warm-weather exploring presents. The light-colored fabric reflects solar radiation and provides shading while wetting the vest activates our Swamp Cooler™ Tech for that refreshing, just-stepped-out-of-a-lake feeling also known as evaporative cooling. Just give it a soak, put it on your dog, and go. When it dries, re-soak it to recharge it.

The Swamp Cooler Vest includes side-release buckles for easy on/off and a leash portal so it can be worn over a harness – topping of the essential features to make it our highest-coverage cooling option in the Swamp Cooler™ Collection.

What's New: We updated the external air mesh for improved abrasion resistance and improved water absorption, and we developed a new construction that retains more water in high-exposure zones on the vest for a longer charge.


Key Features:

  • UPF 50+ Coverage
    • Vest style provides good coverage for maximum shade with side-release buckles for easy on/off
    • Swamp Cooler™ Tech
      • Three-layer construction in chest panel cools the core when wet
    • Leash Portal
      • Leash portal on back for layering over a harness during on-leash pursuits
    • Relaxed Fit for maximum shade with UPF 50+ coverage and side-release buckles for easy on/off
    • Wicking outer layer reflects heat and facilitates evaporation
    • Absorbent middle layer stores water for evaporation
    • Mesh lining keeps dog dry and comfortable
    • Leash portal on back is compatible with most harnesses
    • Reflective trim for visibility in low-light conditions and light loop for attaching any safety light

    Washing instructions:

    • Secure fasteners
    • Wash in cold water
    • Gentle cycle
    • Use mild detergent
    • Air dry


    • Outer layer: Polyester air mesh
    • Middle layer: Polyester non-woven felt
    • Lining: Dry-weave polyester mesh
    • Buckles: ITW Nexus Waveloc side-release buckles
    • Reflective trim
    • Made in Vietnam

    Sizing Chart:

    Measurement is around the widest part of the rib cage.

    Size Girth
    XXS 13 - 17 in (33 - 43 cm)
    XS 17 - 22 in (43 - 56 cm)
    S 22 - 27 in (56 - 69 cm)
    M 27 - 32 in (69 - 81 cm)
    L 32 - 36 in (81 - 91 cm)
    XL  36 - 42 in (91 - 107 cm)



    How to measure your dog

    Take 1 tape measure and 1 dog (and maybe some treats).

    Measure neck size for collars

    Take measurement round the base of neck, with 2 fingers slag (UC). Then choose the collar size to match the measurement.

    (Do not measure old collar.)

    Measure girth for harness / apparel

    Take measurement of the largest part of the chest (LC).

    Girth is slightly behind the fore legs (not at the fore legs, 'arm pits').

    Then choose the gear that matches your measurements.

    Measure torso for apparel

    Measure from the base of the neck to the base of the tail (L).

    Choose the apparel that matches your measurements.


    If you need further help in choosing the right size, please feel free to contact us woof [at]


    We are confident you or your furry family member would be happy with our merchandise and service. We work hard to ensure the quality or the merchandise we present here. If for some reason you are not, we'd be happy for an exchange.

    Merchandise should be in original packing and re-sellable condition, unused and undamaged.  Exchanges should be made within 14 days from date of delivery and please allow 14 days for processing exchanges. Customers are responsible for charges that arise due to exchanges (such as delivery / shipping). Faulty items due to production/manufacturing will either be replaced or refunded as appropriate to the circumstances. Email us at woof [at] with the order number and relevant details.

    We reserve the right to deny any exchanges that do not meet exchange policy.

    Customer Reviews

    Based on 1 review
    The evaporative cooling works, even in Singapore's humidity

    I love both the swamp cooler and vests. I see a remarkable difference in my dogs' stamina when they are wearing them vs when without. I recommended it to my friend who has a boxer. Boxers can overheat quite easily, and she also agrees that there is a visible difference when her dog is wearing the vest.

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