Stay warm and protected on the job site in this 14-zip mock neck style. Flame resistant, it's designed specifically for hazardous work environments. Underarm gussets and ergonomic seam design provides improved range of motion for ease of movement. FR Rev 14 Zip Top Product Features : Greater Arm Mobility™ helps extend arm and shoulder range-of-motion so you can move freely, Ribbed collar and cuffsMock collar, Zippered chest pockets provide secure storage for small essentials Men's Flame-Resistant Rev 14 Zip Top in Charcoal Heather, Size: MT by Ariat