Core Cooler by Ruffwear

Easy 60 Day Returns | Delivery from £2.99 | FREE over £45
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Established online since 2008 | Over 120,000 orders
Description & Size guide

The Ruffwear Cooler offers a simple and effective cooling solution for your dog. Designed naturally keep dogs cool and comfortable. Ideal for use during hot days, or during physical activities - It may even allow them to be active for longer!

When we think about how hot and uncomfortable we can get in the summer heat or during exercise, then just think about how your dog must feel… especially those with thicker coats!

Ruffwear’s Core Cooler Add-On is a great way to ensure your dog is kept cool, allowing them to still join you in your daily activities. Specially designed to cool your dogs chest and stomach area, helping to reduce your dogs core temperature.

This is a simple add on to the Ruffwear packs and harnesses, featuring a comfortable Velcro fastener, that won’t affect your dogs movements. Which also makes this quick and easy to fit, causing minimal disruption to your daily routine.

How It Works

All you need to do is soak the Ruffwear Core Cooler in cold water, then ring it out and fasten around your dog – And you’re ready to go!
Ruffwear’s dog cooler uses a high-tech three layer system. Designed to help keep your dog comfortable and cool during hot weather and great for use during exercise.

Read more about: Do dog cooling products actually work?


  • Reduces the likelihood of over heating
  • May prolong energy levels
  • Keep your dog cool in the heat
  • Ideal for use during physical activities
  • Easy & quick to fit
  • Comfortable to wear

Providing you with an effective chest cooler, perfect to keep your dog cool during hot weather. Helping to prolong energy levels and reduce the risk of your dog overheating during exercise.

The Ruffwear Core Cooler is ideal for activities such as hiking, back packing, for use during hot weather and is great for working dogs too.

(The Ruffwear Core Cooler has been designed to be combined with a variety of harnesses, including Ruffwear’s Web Master, Web Master Pro, Approach, Palisades and the Singletrak backpacks)




Approach™ Pack, Palisades™ Pack, Singletrak™ Pack,

Web Master™ Harness, Web Master Pro™ Harness

X-Small = Harness/Pack X-Small
Small = Harness/Pack Small
Medium = Harness/Pack Medium
Large / X-Large = Harness/Pack Large/X-Large