390 HY099 Replacement Phase Change Cooling Packs 4 Pack _related_rainwear 13 gauge outer HPPE cut resistant FRCA 002K 5X 13 gauge outer HPPE cut resistant liner provides comfort and dexterity replaceable Green tint window is coated with a permanent anti fog inner surface Lens is extended 3" from face to accommodate respiratory protection and help minimize lens fogging Supplied with dialectric safety helmet and hard hat adapter High tensile strength and tear resistance 37% lighter than traditional 40cal garments 2X more breathable Lens meets ANSI Z87 Cooling packs are deployed in a variety of shapes and sizes for personal comfort and maximum cooling results Protection from stress of high temperatures outdoors and indoors Includes 1 set of 4 cooling pack inserts Cooling effects last for up to 3 hours To activate place in freezer or cooler with ice set at 58ºF Set time of 45 minutes to ensure packs are frozen solid throughout PCM is non flammable