Backpack Ice SFI-Certified Cooling Shirt
The SFI Foundation has tested and certified that Kryo\\\'s SFI Certified Cooling Shirt meets SFI specification 3.3 for fire resistance. Made from a single layer of comfortable, flame-resistant, hi-tech blend of 70% Modacrylic, 23% Tencel, and 7% Lycra knit, the fabric is breathable, moisture-wicking, and anti-microbial. You will wear the shirt with the smooth, comfortable fabric next to your skin and the tubing on the outside.