Ergodyne Chill Its 6700 Cooling Bandana, Lime, Evaporative Polymer Crystals For Relief, Tie Adjustable Fit,

Amazon

COOLING RELIEF - Polymer cooling technology quickly activates for up to four hours of relief from the heat LOW-PROFILE – For no-bulk wear under hard hats COMFORTABLE – 100% cotton bandana TIE CLOSURE – Adjustable for a snug, comfortable fit on a variety of head sizes WORKDAY TO WEEKEND – Great for outdoor recreation such as running, hiking or other activities DIMENSIONS – 36.5in // 92.7cm L x 2in // 5.08cm H HAND WASH – Hand wash and hang in open air until completely dry, Manufacturer: Ergodyne

Euroffice

Features. Bandana/headband - tie closure. Activate by soaking in water for 2-5 minutes. Remains hydrated for up to 4 hours.