Ruffwear Dog Cooling Harness: Swamp Cooler


The Ruffwear Swamp Cooler Dog Harness is an all-in-one cooling solution for dogs exploring in hot conditions. This harness integrates our Swamp Cooler™ evaporative cooling tech with Ruffwear's reliable multi-use body harness platform. Ruffwear's signature strong leash connection points, high adjustability, quick-grab handle, and easy on/off features are elevated with cooling capability throughout the back panel and supportive chest/belly panel.

The Swamp Cooler Harness adds a cool factor to a harness designed to keep the adventure going, when the temps are high and your dog's stoke for exploration is even higher.

Key Features: 

  • Swamp Cooler Tech
    • Three-layer construction absorbs water and promotes evaporative cooling.
  • Padded Handle
    • Balanced and comfortable lifting and assisting with padded handle and load-dispersing chest/belly panel.
  • Strong Connections
    • Two leash connection points: an aluminum V-ring and reinforced webbing loop on back.
  • Lightweight, easy on/off construction built with Swamp Cooler™ Tech
  • Wicking outer layer reflects heat and facilitates evaporation
  • Absorbent middle layer stores water for evaporation
  • Mesh lining keeps dog dry and comfortable
  • Balanced and comfortable lifting with padded handle and load-dispersing chest/belly panel
  • Six points of adjustment for an optimal fit
  • Two leash attachment points: aluminum V-ring and reinforced webbing loop on back
  • Reflective trim and light loop for attaching The Beacon™

    Washing instructions:

    • Secure fasteners
    • Wash in cold water
    • Gentle cycle
    • Use mild detergent
    • Air dry


    • Outer Layer: Polyester air mesh
    • Middle Layer: Polyester non-woven felt
    • Lining: Dry-weave polyester mesh
    • Webbing: 100% Nylon
    • Buckles: ITW Nexus Mach buckles
    • Leash Connection Point: Anodized 6061-T6 aluminum V-ring
    • Made in Vietnam

    Sizing Chart:

    Measurement is around the widest part of the rib cage.

    Size Girth
    XXS 13 - 17 in (33 - 43 cm)
    XS 17 - 22 in (43 - 56 cm)​
    S 22 - 27 in (56 - 69 cm)
    M 27 - 32 in (69 - 81 cm)
    L/XL 32 - 42 in (81 - 107 cm)



    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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