Ruffwear Dog Core Cooler

$29 $30

Weekends are coming. Where do your adventures bring you this time? Make sure you stay cool in all your expeditions through the rough, terrains, or otherwise the city!

The Ruffwear Core Cooler is a cooling chest panel, an addon to selected Ruffwear harnesses and dog packs. The Core Cooler also acts additional support when lifting and assisting, and further stabilizes packs and harnesses.  

It cools dogs through evaporative cooling using a three-layer evaporative cooling at the chest to disperse heat from the dog's core, during warm temperature and high intensity activities.

To activate the Core Cooler, simply soak it in water, wring excess water out and attach using hook-and-loop sleeves to the following compatible harness or dog packs.

* Web Master Harness

* Web Master Harness Pro

* Singletrak Pack

Key Features: 

  • Three layer construction to provide maximum cooling by
    • outer layer wicks away moisture, reflects heat and facilitates evaporation
    • middle later absorbs and stores moisture for evaporation
    • layer closest to dog is comfortable and transfers cooling effect to dog
  • Hook-and-loop sleeves for easy on-off
  • Add-on to Web Master Harness, Web Master Pro Harness and Singletrak Pack
  • Provide load dispersion and stability
  • Made in Vietnam

Washing instructions:

  • Secure fasteners
  • Cold wash in gentle cycle
  • Mild detergent
  • Air and hang dry
  • Do not bleach/iron/dry clean



Quick Start video



How to measure your dog

Take 1 tape measure and 1 dog (and maybe some treats).

Measure neck size for collars

Take measurement round the base of neck, with 2 fingers slag (UC). Then choose the collar size to match the measurement.

(Do not measure old collar.)

Measure girth for harness / apparel

Take measurement of the largest part of the chest (LC).

Girth is slightly behind the fore legs (not at the fore legs, 'arm pits').

Then choose the gear that matches your measurements.

Measure torso for apparel

Measure from the base of the neck to the base of the tail (L).

Choose the apparel that matches your measurements.


If you need further help in choosing the right size, please feel free to contact us woof [at]


We are confident you or your furry family member would be happy with our merchandise and service. We work hard to ensure the quality or the merchandise we present here. If for some reason you are not, we'd be happy for an exchange.

Merchandise should be in original packing and re-sellable condition, unused and undamaged.  Exchanges should be made within 14 days from date of delivery and please allow 14 days for processing exchanges. Customers are responsible for charges that arise due to exchanges (such as delivery / shipping). Faulty items due to production/manufacturing will either be replaced or refunded as appropriate to the circumstances. Email us at woof [at] with the order number and relevant details.

We reserve the right to deny any exchanges that do not meet exchange policy.

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