Flame-resistant, all-cotton fleece offers comfort, protection and lightweight warmth. Thoughtfully placed seams make it easy to move around in, while the adjustable mock neck style makes it great for layering. FR Rev 14 Zip Top Product Features : Greater Arm Mobility™ helps extend arm and shoulder range-of-motion so you can move freely, Ribbed cuffsMock collar, Zippered chest pockets provide secure storage for small essentials Women's Flame-Resistant Rev 14 Zip Top in Charcoal Heather Cotton, Size: XS by Ariat