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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 107 reviews
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Stephanie E.
United States

Best thing ever for senior dog

Daytime temperatures were slated to get into the high 90's/low 100's during an unplugged August camping trip this year. For humans and the single-coated younger dogs, an afternoon in the creek would solve any problem of overheating but my senior Akita mix takes forever to dry which doesn't make for a great night sharing a tent. The Swamp Cooler was a miracle worker! As soon as the temps started climbing and he started getting uncomfortable, on went the Swamp Cooler. Most days, he went from panting to napping and snoozed away the worst of the heat without noticing! Yet another amazing product from Ruffwear - thank you!

Kerri B.
United States

Doesn’t fit correctly

I bought an XL since that is where my dog fit for sizing. I have the life jacket & a fleece that i love from this company. But the center piece drooped down so low that it wasn’t fitting correctly when wet. I exchanged it for a Large hoping that would solve the problem, it did not. I wish there was more of stretch to fit her chest/tummy properly. If you try to tighten the straps it’s too tight along the chest.

Tammy S.
United States

Swamp cooler

Definitely kept my dog cool. Just wish it would last longer for some of the all day events we attend.

Tammy S. verified customer review of Swamp Cooler™
Alice G.
United States

Swamp Coolers make our dogs happy

Easy on and off. Really works to keep our dogs cooler.

Robin W.
United States

Cool dog!

Love this item on hot days. Keeps our puppy nice and cool.