ERGODYNE® CHILL-ITS® 6215 PREMIUM FR PHASE CHANGE COOLING VEST WITH PACKS, KHAKI, S/M PHASE CHANGE COOLING VEST & PACK UL STYLEMARGIN-TOP0PX; PADDING-TOP 5PX; PADDING-BOTTOM 5PX; MAINTAINS CONSTANT 64°F / 18°C FOR UP TO 4 HOURS PACKS RECHARGE IN AS LITTLE AS 10 MINUTES PATENTED HONEYCOMB ICE PACK DESIGN ELIMINATES STIFFNESS VEST MADE WITH MODACRYLIC COTTON BLEND FR FABRIC FABRIC MEETS ASTM F1506 PERFORMANCE REQUIREMENTS (ATPV RATING OF 7.1 CAL/CM2); CLASSIFIED HRC1 PER NFPA 70E ADJUSTABLE HOOK AND LOOP CLOSURES ON BOTH SHOULDERS AND WAIST EXTENDED VEST SURFACE AREA ENHANCES COOLING POWER TWO ELASTIC PEN LOOPS ON CHEST