With shirt-like styling and work-like functionality, the Timberland PRO Collared Flex Shirt Jacket is designed for performance. Zoned Thermolite® insulation in the arms, chest, and back ensures warmth to keep you at ease. Made from a durable, flexible cotton and elastane canvas blend, this jacket stretches in every direction for unrestricted movement. A nylon-quilted lining provides warmth and comfort, and multiple exterior pockets help protect your workday nuts and bolts. For added function, the jacket features an inside locker loop, offering quick and easy hanging on an impromptu jobsite.