Filson Insulated Field Flannel Jac Shirt Brand new with tags Description: "Our insulated Field Flannel Shirt combines a classic cotton flannel with high-performance insulation for a shirt that excels in cold weather. The midweight flannel fabric, heavily brushed on both sides for softness and warmth, is tightly woven for durability. The 60g PrimaLoft® Gold insulation features the highest warmth-to-weight ratio in synthetics and is quite packable. Originally developed as an alternative to goose down, this polyester insulation breathes well and retains 98% of its insulating abilities even when wet. Virtually unbreakable melamine buttons are used for the front closure and adjustable cuffs. Center-back box pleat for ease of motion. Filson’s Insulated Field Flannel Shirt—an even warmer version of our favorite Field Flannel Shirt." Fabric: 7-oz. 100% cotton flannel Features: - Camouflage pattern developed in-house - 60g PrimaLoft Gold insulation - Button-front with spread collar - Button-adjustable cuffs - Button-flap chest pockets Usage: Outdoor, Field, Hunting