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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)
Select Size

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
4.5 Based on 196 Reviews
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A Ruffwear Customer
United States United States
  • Dog's Name Ravyn
Works great!

Great cooler for your dog. Living in the CA. desert it gets unbearable in the summers. This helps keep her cool for the short time we allow her in the heat. For reference in photos, she is a 90lb Shiloh Shepherd and I bought the Large. Plenty room left to adjust. Hasn’t faded. Definitely recommend!

Heidi verified customer review of Swamp Cooler™ Cooling VestHeidi verified customer review of Swamp Cooler™ Cooling VestHeidi verified customer review of Swamp Cooler™ Cooling Vest
Chiara F.
United States United States
  • Dog's Name Duncan (also Sausage Boy)
Texas Must Have

Honestly, in preparation for summer and the face Texas forgot about Winter at all this year we have started getting acquainted with our Swamp Cooler. My sausage shaped mutt dog fits right between sizes but returning the larger one was easy and receiving the smaller size happened quickly. Because of Duncan’s shape, it doesn’t cover his booty/full back but it still does an excellent job at keeping him cooler during our spring and summer hikes. As my adventure pal he will be wearing it camping and hiking and likely while kayaking as well. I like that his harness fits well underneath and the leash clip through is excellent positioning if you already have a Ruffwear harness!

Sarah J.
United States United States
  • Dog's Name Talla
Keeps her cool

Bought one this summer for my Border Collie, worked great, easy to rewet while on the dog. Now bought a second one for my other dog. It is light when wet, she is able to run with it on.

Jesse R.
United States United States
Great For Desert Heat

This vest has worked great in the desert heat of New Mexico and more specifically hiking White Sands National Monument. Keep my dog cool and ready to go, however in a hot and dry environment make sure you keep extra water for the vest as evaporation can happen quickly, a gallon bag with some water and ice helps as the vest can pack down to that size and get fully covered in cold water.

Jesse Rochefort verified customer review of Swamp Cooler™ Cooling VestJesse Rochefort verified customer review of Swamp Cooler™ Cooling Vest
Sara S.
United States United States
Keeping black dog cool on SoCal

Bought this after moving to San Diego as our black lab always got hot even for early morning hikes. Seemed to help keep his body cooler so we could do longer morning hikes.

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