Maintains 64°F up to four hours.Features - Made of comfortable modacrylic cotton blend FR fabric - Hook-&-loop closure - Non-toxic/non-carcinogenic - includes elastic pen loop - Meets ASTM F1506 - ATPV rating of 7.1 cal/cm2, Classified to NFPA 70E (CAT1) - Large/X-Large - Khaki - 1/Each