HyperKew Cooling Insert

Upgrade your Hiker’s Hat by adding the HyperKewl™ Evaporative Insert to it. The cooling material absorbs and slowly releases water through evaporation, supercharging the body’s natural cooling process. Submerge the insert for a couple of minutes in any source of water Gently remove excess water Slip it into the hidden crown pocket of your Tilley hat Feel the magic happen: this will supercharge your body's natural cooling process and cool you down up to 15 °F Fabric: 100% polyester mesh on the outside; interior is 53% polymer fibres; 47% cellulose fibres Features: Moisture-wicking User-friendly and provides long-lasting, reusable cooling Delivers 5-10 hours of cooling per soak Lowers temperature by 10-15°F below the ambient air Moisture-wicking User-friendly and provides long-lasting, reusable cooling Delivers 5-10 hours of cooling per soak Lowers temperature by 10-15°F below the ambient air Care: Remove HyperKewl™ insert before washing hat. Machine wash in cool water, delicate cycle or hand wash; lay flat or hang and air-dry. Do not wring out, do not bleach, do not iron, do not dry clean. Size Chart: S 6 7/8 to 7 1/8 M 7 ¼ to 7 3/8 L 7 ½ to 7 5/8 XL 7 3/4 to 8+