FRS 002 FRS 002 VolCore® Long Sleeve Cotton Henley FR Shirt best vest 5 MR reach the highest level Size:Black Clear 5 MR reach the highest level of cut protection possible with a proprietary blend of cut resistant fibers May be used over and over again Very durable and will last multiple seasons with proper care and normal use Perfect for use in high heat humid areas and under protective equipment Provides comfortable cooling up to 3 hours Temperature set to 65° Adjustable at shoulders and torso for snug high fit to deliver cooling to the core Activate by placing the packs in a refrigerator or freezer for 1 hour or in a cooler with ice water for approximately 20 minutes One size fits most: up to size 58" chest Flame resistant (FR) VolCore® workwear helps protect workers from short term thermal incidents because it self extinguishes and doesn’t melt when exposed to flame comfortable