This insulated shirt jacket punches way above its weight, providing a high level of protection without the extra heft. Made of super-soft, flame-resistant flannel, it's an easy layer to throw on when the weather turns chilly. Product Features : Greater Arm Mobility™ helps extend arm and shoulder range-of-motion so you can move freely, Snap-front closure with metal snaps, Chest pockets with snap closuresHidden pen slot in left chest pocket helps keep writing tools secure and close at handWelt hand pockets with soft lining Men's Flame-Resistant Flannel Insulated Shirt Jacket in Iron Grey CottonNylon, Size: Small by Ariat