These safety shirts are powered by 37.5 Technology to help keep your body at an ideal temperature so you can perform at high levels while withstanding the elements longer and more comfortably.

California Residents Proposition 65 Warning

Features:

• Patented 37.5 Technology helps your body naturally thermoregulate to cool you when you're hot and stay warm when you're cold
• Natural volcanic minerals are permanently embedded in the material to remove heat and moisture before even breaking a sweat
• Temperature regulating fabric keep you comfortable longer while providing unparalleled functionality and performance
• Unique style delivers "climate controlled" workwear with faster drying times, increased breathability, and superior moisture management
• Premium StarTech reflective tape provides unsurpassed visibility even in low lit working conditions
• Stylish ribbed crew neck design