The Filson Mackinaw Wool Jac-Shirt bridges the gap between outerwear and shirting — insulating like a jacket while maintaining the versatility of a shirt. Crafted from 24-oz. Mackinaw Wool, this timeless piece offers exceptional warmth, moisture management, and durability. The flapped front pockets with hidden buttons keep your essentials secure without snagging on gear, while the adjustable cuffs and button-front closure provide adaptable comfort.
Filson’s legendary Mackinaw Wool has been the fabric of choice for outdoorsmen for over a century. Its tightly woven structure naturally repels wind and light rain, insulates even when wet, and endures for generations.
Fabric:
100% Virgin Mackinaw Wool (24 oz.) — naturally breathable, water-resistant, and insulating.
Composition: 100% Mackinaw Wool (24 oz./LY)
Fit: Regular fit
Details: Button-front closure, adjustable cuffs, flapped chest pockets with hidden buttons
Care: Dry clean only. Do not machine wash or tumble dry.
Made in: USA
For any sizing or styling questions, feel free to reach out—we’re here to help.