Effective relief from heat stress with the HyperKewl evaporate cooling hard hat liner. Cooling relief of 6 to 12 °C below outside temperature. Attached with hook & loop directly to hard hat headband (hard hat not included). Provides 5– 10 hours of cooling relief per soaking; lightweight and durable. High wearing comfort. Outer: 100% cotton / Inner: HyperKewl™ fabric for cooling, hook & loop attachments. The Water Management System of the HyperKewl™ fabric absorbs and stores water. The water is later released through evaporation. The evaporative chill created, makes the user cool & comfortable.
Extremely Easy to Use - Simply soak the garment for 1 to 2 minutes in water. The HyperKewl™ System takes up the necessary amount of water. Then gently squeeze out excess water, wipe the surface dry, put the garment on – finished.