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The Ruffwear Swamp Cooler provides protection from the sun and cooling through evaporation. In warm climates, dogs typically stay cool by seeking shade during the heat of the day and moving around in cooler temperatures. The Swamp Cooler allows dogs to perform in hot climates. To activate the Swamp Cooler, soak in water, wring out and place on your dog. The light-colored fabric reflects solar radiation, while evaporative cooling pulls heat from the dog. The integrated leash portal allows leash attachment when the Swamp Cooler is worn over our Front Range™, Hi & Light™ or Web Master™ Harnesses.

Check out our Best Selling Summer Gear.

Select Size

Measurement is around the widest part of the rib cage. If you need more help with sizing visit our Fit Guide.

13-17 in (33-43 cm)
17-22 in (43-56 cm)
22-27 in (56-69 cm)
27-32 in (69-81 cm)
32-36 in (81-91 cm)
36-42 in (91-107 cm)

Key Features

Additional Features

  • Full coverage for maximum shade
  • Three layer construction cools the core
  • Wicking outer layer reflects heat and facilitates evaporation
  • Absorbent middle layer stores water for evaporation
  • Comfortable inner layer transfers cooling effect to the dog
  • Low-light visibility with reflective trim and light loop for attaching The Beacon™
  • Made in Vietnam

Washing Instructions

  • Secure fasteners
  • Wash in cold water, gentle cycle
  • Use mild detergent
  • Hang to dry
  • Do not bleach, iron or dry clean

Trail Tested Promise

All of our products are rigorously field tested and we proudly guarantee against defects in materials and craftsmanship.

Great Companions

Ratings & Reviews

Customer Reviews

Based on 121 reviews
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SM-2421-2043 J.
United States

Swamp Cooler beats Australian summer!

My 2 year Miniature Schnauzer is very active but really struggles with the heat. We live in Australia and every day this week the temperature is over 30 degrees Celsius. The swamp cooler keeps him happy on our walks and I can feel his body is very cool under the vest. Definite win for us!

SM-2421-2043 J. verified customer review of Swamp Cooler™
Karen E.
United States

Love it!

It is really good to keep my service dog cool this summer and has helped keep her warm this winter. I would suggest this to anyone.

Gretchen M.
United States

Great for a Collie

I have a Rough Collie Service Dog, and we occasionally have events in the hot summer days. This vest helps keep him a bit cooler, with his long, thick coat. Wish they made them in MY size, LOL!

Cindy H.
United States

Swamp Cooler vests make a WORLD of difference for our dogs.

We love the Swamp Cooler vests. It makes a huge difference for our dogs in the summer, particularly as the weather has been getting hotter and hotter in our area the last few years. It’s the difference between staying indoors all day or not. Thanks so much for making such a useful product!

Cindy H. verified customer review of Swamp Cooler™
Janni C.
United States

Design and construction make fit alterations easy

My dog is long and very lean with a big chest and narrow waist, so I don't expect any "clothing" item to fit him perfectly, and this vest was much as expected in that regard. I did some alterations, which was really straight forward due to the way it's designed and constructed (THANK YOU). If you're not able to sew yourself, this would be a very minor job for an alterations person to do! I opted for a bigger size to ensure my long dog would have as much coverage as possible, but also because it's always easier to remove excess material than to add missing material ;) The colour makes sense... but it's really not dirt friendly. The material is mesh-like to hold as much water as possible, but the open face also means it snags easily. All this to say the vest takes on a pretty beaten up look very quickly. Not at all an issue for me, but just something to keep in mind. I would have liked a bright happy colour option, but as a purely functional item it does it's job as it is.

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