Verdict overview
- worth the money 9.1
- Absorbency 9.1
- Sun protection 9.1
- Attachment 8.6
- Light weight 9.3
- Comfort 8.9
Pros
Instant cooling
Sweat wicking
Breathable fabric
Cons
Fit may ride up.
Tech specs
product dimensions | 1 x 1 x 1 inches |
color | Black |
pattern | Helmet |
item weight | 0.64 ounces |
special features | Washable |
batteries included | No |
warranty description | See Manufacturer Website |
item package quantity | 1 |
size | One Size |
material | Polyester |
closure type | Snap |
customer reviews | 4.5 4.5 out of 5 stars 2,094 ratings 4.5 out of 5 stars |
style | Hard hat helmet liner |
batteries required | No |

Product Overview
I recently had the opportunity to review the Klein Tools Cooling Helmet Liner, and I have to say that I am very impressed. This product is designed to provide relief from the heat in high temperature environments, and it does so very well. The liner is designed to be worn under a helmet, and it provides a cooling sensation when activated with water.
The first thing I noticed about this liner was its lightweight design. At only 0.64 ounces, it was barely noticeable when wearing a helmet. The front fabric is 92 polyester and 8 spandex, making it both comfortable and durable. The mesh fabric at the crown expands airflow for maximum breathability, so I never felt like I was overheating while wearing it.
When activated with water, the liner provides up to 30 degrees of cooling relief below body temperature. It also wicks away sweat for up to 2 hours when wet, keeping me cool and dry even in high temperatures. The activation process is simple: just soak the liner with water, wring out any excess moisture, then snap three times to activate the cooling system.

The Cooling Helmet Liner also offers great value for money considering its impressive features. It s available in one size that fits most helmets, so you don t have to worry about finding the right size or having a poor fit. It also comes in a white color that can easily blend into most helmets without being too noticeable or obtrusive.
In conclusion, the Klein Tools Cooling Helmet Liner is an excellent product for anyone working in hot climates or just looking for an extra layer of protection and comfort while wearing a helmet. Its lightweight design makes it comfortable to wear all day long and its cooling technology keeps me cool even in extreme temperatures. With great value for money and easy activation process, this liner is definitely worth checking out if you re looking for an effective way to stay cool while wearing a helmet.
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