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The Core Cooler™ is an add-on that cools dogs, adds additional support when lifting and assisting, and further stabilises packs and harnesses. This three-layer chest panel uses evaporative cooling to efficiently pull heat from the dog’s core during warm temperatures and high intensity activities. To activate, wet the Core Cooler with water and wring out. The Core Cooler easily attaches to Ruffwear harnesses and packs using hook-and-loop sleeves:

Check out our Best Selling Summer Dog Gear.

Select Size

Use this fit guide to select the appropriate size for your dog. Measurement is around the widest part of the rib cage.

17-22 in (43-56 cm)
22-27 in (56-69 cm)
27-32 in (69-81 cm)
32-42 in (81-107 cm)

Key Features

Additional Features

  • Provides load dispersion and stability
  • Made in Vietnam

Washing Instructions

  • Secure fasteners
  • Hand wash
  • Mild detergent
  • Air dry

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

4.3 Based on 23 Reviews
5 ★
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Katryna C.
United States United States

Core cooler

Not super practical unless using for long trips. Hard to get wet, etc.

Brenda R.
United States United States

Core Cooler -

A couple of weeks ago went for a 6 mile hike with her and she almost didn't make it back - I forgot to bring her core cooler- I thought she was going to collapse - I was really worried that last mile. The next weekend I used the Core Cooler to keep her cool and she was happy for the whole 6 miles. I can't recommend this enough - it saved my pup - keeps her cool on the trail - wouldn't hike in the summer without it.

Brenda R. verified customer review of Core Cooler™
Mary S.
United States United States

Another great product by Ruffwear!

I have found the core cooler perfect for keeping my pup cool and comfortable on those sunny shoulder season hikes. Especially when hitting trails without streams or lakes to cool down in and when it is not hot enough for the use of her full swamp cooler.

cara m.
United States United States

Does not get very cold at all

Does not work.

Patty G.
United States

Core Cooler

This is a unique and super practical tool for my Service Dog in Training.

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