Serving outdoorsmen for decades, the Filson Mackinaw Jac Shirt is iconic and will never fail at protecting you from the cold weather. Crafted with 100% virgin mackinaw wool, with a unique structure that absorbs moisture - perfect for when you get caught in the rain. Built in Seattle, with a classic button closure and adjustable cuffs - it is easy to change the ventilation dependent on what activity you are doing. Throw over anything, for walks in the country or city living. Limited Edition. Charcoal Plaid 100% Mackinaw Wool Water and Wind Resistant Military-Grade Melamine Buttons