710 710 Foam Lined Safety Eyewear Size:R strategically placed at a height 34 874FY XXL strategically placed at a height typical for sharp edged sheets of glass or steel moving via rollers or decking 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 Sold separately The Crossfire 710 EVA foam lined safety glass has lightweight