Ergodyne Chill-Its 6665
(26 reviews)
The Ergodyne Chill-Its 6665 vest keeps the body cool for up to 4 hours after a simple soak in cold water.
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Key features
- Cooling duration: Up to 4 hours
- Material: Quilted nylon, activated polymer fabric, mesh panels
- Mesh side panels for ventilation
In detail: Ergodyne Chill-Its 6665 Evaporative Cooling Vest
Ergodyne has established itself as a reference brand in personal protective equipment and workplace comfort, with its Chill-Its range dedicated to fighting heat on job sites, in factories or outdoors. The 6665 model cools by evaporation: a simple 2 to 5 minute soak in cold water is enough to activate the built-in polymer fabric, with no electricity or ice to carry around.
Its quilted nylon outer, lined with a water-repellent layer, limits discomfort from moisture against the skin while keeping good resistance to heavy use. The mesh side panels improve ventilation and freedom of movement, a notable plus for extended use during intense physical activity.
The zippered V-neck allows quick putting on, while the cotton and polyester trim provides a comfortable fit without restricting movement. Available from M to 3XL, the vest keeps its cooling effect for up to 4 hours after activation, a duration suited to half a day of outdoor work.
The Ergodyne Chill-Its 6665 confirms very wide adoption from customers, driven by trust in a reference brand for workplace comfort and safety equipment.
Technical data
Detailed characteristics
Dimensions and capacity
| Material?Main material used to make the product. | Quilted nylon outer, activated polymer fabric, water-repellent lining, cotton/polyester trim |
|---|
Additional information
| Cooling duration | Up to 4 hours |
|---|---|
| Activation | 2 to 5 minute soak in cold water |
| Configuration | Zippered V-neck, mesh side panels |
| Care | Hand wash only |
| Available sizes | M to 3XL |
Comparison
In the evaporative cooling vest segment, the Ergodyne Chill-Its 6665 stands apart from the Techniche HyperKewl with a shorter cooling duration but its mesh ventilation panels. Here is how the two compare, based on both manufacturers' published specifications.
| Criteria | Ergodyne Chill-Its 6665 | Techniche HyperKewl |
|---|---|---|
| Cooling duration | Up to 4h | 5 to 10h |
| Activation | 2 to 5 min soak | Soaking |
| Ventilation | Mesh side panels | Not stated |
| Sizes | M to 3XL | Not specified |
| Observed price | ≈£56 | ≈£50 |
In short, the Techniche HyperKewl stays cool longer thanks to its proprietary formula, while the Ergodyne favours better ventilation through its mesh panels, a real plus for intense use during physical activity. The choice mostly depends on whether duration or breathability matters more.
Frequently asked questions: Ergodyne Chill-Its 6665 Evaporative Cooling Vest
A 2 to 5 minute soak in cold water is enough to activate the built-in polymer fabric, with no electricity or ice needed.
The manufacturer states up to 4 hours of cooling after activation, a duration suited to half a day of work or outdoor activity.
They improve ventilation and freedom of movement, a notable plus for extended use during intense physical activity.
The vest is offered from M to 3XL, to fit different body types.
More products in the "Cooling vest" range
Techniche HyperKewl Vest
Check price (7)
The Techniche HyperKewl vest keeps the body cool for up to 10 hours thanks to its patented evaporative fabric, activated simply by soaking.
Page published on 2 August 2026