Sundial Dog Gear
Traverse Cooling Shirt
Part of the LayerTech system: each layer works alone, and all layers mechanically connect. Technical fabrics with an articulated cut for full range of motion. Designed in Colorado. Sewn in Colorado.
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Polartec® Delta cooling in a UPF-rated layer. Built for hot days.
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Why We Made This
The Traverse Cooling Shirt is built from Polartec® Delta - the best cooling fabric on the market today. Built for hot days and direct sunlight, this ultralight, UPF 30 layer is a must have.
The Cooling Shirt fits a wide range of dog builds and stays put whether you're scrambling talus or logging trail miles. It layers seamlessly under our Puffy or Shell when conditions turn, or wears alone on bright, hot days.
Handmade in Colorado. One layer at a time.
Technical Details
Materials & Construction
Fabric: Polartec® Delta (67% polyester, 30% Lyocell, 3% spandex)
Closure: Top-release buckle with adjustable webbing
Weight by Size:
- XS: 2.8oz
- S: 4.2oz
- M: 5.4oz
- L: 7.5oz
Sizing
Back length is the most important measurement. Measure from the base of the neck where the collar sits to the base of the tail, with your dog standing naturally. Our chest and neck closures adjust across a wide range, so back length sets the size and chest girth confirms it.
- XXS: Back 6–12" / Chest 9–17"
- XS: Back 11–17" / Chest 14–22"
- S: Back 16–21" / Chest 17–26"
- M: Back 20–26" / Chest 21–32"
- L: Back 25–32" / Chest 26–38"
Between sizes? Go up - our layers are designed to stack without sizing up.
View complete size guide with measuring instructions and breed examples → Size Guide