The Core Cooler is a cooling dog harness add-on that cools, adds additional support when lifting and assisting, and further stabilizes select Ruffwear dog packs and dog 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 uses hook-and-loop sleeves and easily attaches to only the following Ruffwear harnesses and packs:

Check out our Best Selling Summer 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.

Match size to your compatible harness or pack.

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

Match size to your compatible harness or pack.

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