FIRE-RESISTANT FABRIC - Modacrylic knit is inherently flame resistant and will not melt or drip TESTED AND APPROVED - ATPV rating of 5.8 cal/cm² classified CAT 1 according to NFPA 70E INSTANT COOLING RELIEF - Modacrylic fibers easily activate with water, or sweat, for up to two hours of active cooling STAY DRY AND COMFORTABLE - When dry, modacrylic material effectively draws sweat and moisture away, keeping the wearer cool and comfortable throughout the day MULTIPLE WAYS TO WEAR - Gaiter can also be worn as a headband, face mask and many more EASY ACTIVATION - Run or submerge under water for one minute to activate cooling technology FULL COVERAGE - Measures 14in L x 9in H / 35.6cm L x 22.9cm H ONE SIZE FITS MOST - Soft and stretchable design accommodates most sizes EASY TO CLEAN - Machine wash cold, tumble dry low