• Advanced PVA material activates easily and quickly when run under water for one minute
• Re-usable: just soak in water to re-activate
• Super-evaporative cooling process helps keep you cool
• Lightweight and low profile; perfect for under hard hats
• Tie closure
• Patented design
• Colors: Solid Blue, Hi-Vis Lime, Red Western, Blue Western, Stars & Stripes, Flames, Camouflage