Carhartt Shirts: FR High Vis Force Men's 102905 323 Long Sleeve T-Shirt This men's high-visibility FR shirt is well-made. It's crafted from 6.75 ounces of knit material that's made up of modacrylic, lyocell, and aramid. There's 48% modacrylic, 37% lyocell, and the 15% aramid in the design. The Carhartt men's t-shirt is meant to offer you a light yet durable material for high-visibility wear. Also, this men's long sleeve shirt has a left chest pocket for convenient storage. This men's Fast Dry shirt is flame-resistant. The tri-blend fabric is flame-resistant and meets the performance requirements of NFPA 70E and is UL Classified to NFPA 2112. To indicate that this Carhartt FR shirt is indeed capable of protecting you from flames, two labels are sewn on the left pocket: a Carhartt FR label and an NFPA2112/CAT 2 label. Finally, this men's Force shirt is high-visibility. While wearing it, you'll be protected from oncoming hazards. If you need to draw attention to yourself in the daytime, this is the long sleeve shirt for you because it's bright yellow/lime color. It's also great for drawing attention to yourself in the nighttime due to featuring reflective tape on the arms, chest, and abdomen. The ANSI Class 3 Type R compliant 3M Scotchlite Reflective Material maintains its performance through 65 home launderings. Due to the bright color and silver reflective tape, the hi-vis shirt meets the requirements for the standard ANSI/ISEA 107.