SERIOUSLY COOL WORKWEAR THE DESIGN To help you keep your cool, air vents have been strategically designed and located at all key sweat points – under the arms, across the shoulders in the front of the shirt, across and down the back. These vents allow the maximum amount of air to flow around your body to help you stay cool and dry. The above shirt features 16 vents. We also have an 8 vent style that eliminates the back vents. So choose the shirt that best suits your needs SUN SHIELD STRETCH RIPSTOP FABRIC VENTILATION THE FABRIC Lightweight premium Cotton fabrics were developed to deliver maximum breathability and strength. 50 UPF sun protection and mechanical stretch are standard in these ELEVEN Workwear shirts. Selected styles include Perforated 3M™ Tape to deliver maximum comfort and night protection. 20 U