Fight inflation with overstock summer pricing for cold weather gear! New with Tags: Direct Overstock Purchase from Filson. NOT FACTORY SECONDs - MSRP$425 Sizes XL and XS available Filson combined old school quality and details with tested military grade design. Patterned after historic Navy issued gear worn by Petty Officers. Constructed of Filson’s thickest 24oz thick 100% mackinaw wool. It’s an iconic original. HISTORY OF DESIGN The U.S. Navy issued heavy woolen shirts to its senior enlisted men beginning back in the 1930s to satisfy the need for a warm, protective shirt that would serve in the unforgiving weather found at sea. FEATURES Chest pocket flaps secure with natural horn buttons to keep contents safe, and the sleeves are button-adjustable. The curved hem design allows for wear tucked or untucked. A center-box pleat in the back yoke allows unrestricted ease of motion. This is a cold-weather shirt that’s built for decades of reliable service. - Built with thick 24-oz. 100% wool - Natural horn buttons for front, pocket flap, and adjustable cuff closures - Spread collar - Center-back box pleat FIT INTENT: Fit intent is relaxed, with room for base layers underneath. Designed to be worn as an over-shirt.See CPO Shirt measurements Size Guide provided from Filson Website in the listing.