



Stay Cool, Stay Safe! ❄️
The HyperKewl 6521 Evaporative Cooling Hard Hat Liner is a lightweight, innovative cooling solution designed to attach to most hard hats or bump caps. Made from a blend of HyperKewl fabric and nylon, it provides effective cooling for 5-10 hours without any messy residues. Ideal for professionals working in hot environments, this durable liner ensures comfort and safety on the job.
| Manufacturer | HyperKewl |
| Part Number | 6521 |
| Item Weight | 1.23 ounces |
| Product Dimensions | 4 x 5 x 0.5 inches |
| Country of Origin | China |
| Item model number | 6521 |
| Is Discontinued By Manufacturer | No |
| Size | One Size |
| Color | Blue |
| Style | Modern |
| Material | Fabric |
| Item Package Quantity | 1 |
| Batteries Included? | No |
| Batteries Required? | No |
| Warranty Description | 30 day warranty against manufacturer defects |
M**G
way better cooling then Terry Cloth Sweat Band liners
fits better on some hard hats then others but offers way better cooling the just regular terry cloth sweat bands
A**R
Not very worth it
Doesn’t really hold in too well & in the end seemed like a waste of money for me
G**S
Two Stars
Would not work.
B**L
Good but bad
I love it but the velcro wore out very fast
C**N
One Star
Doesn't fit poorly made product don't waste your money!
J**Y
Three Stars
not the best fit
K**N
One Star
Just wear a bandana. It's easier
E**E
One Star
Not what we expected
Trustpilot
3 days ago
4 days ago