Evaporative Cooling Bandana: Activated polymers bring cooling power where you need it most. Bandana/headband - tie closureActivate by soaking in water for 2-5 minutesRemains hydrated for up to 4 hoursRe-usable: just soak in water to re-activateStars & Stripes, Camouflage, Red Western, Navy Western, Solid Blue, Lime, Flames