6.25-oz. Halley Stevensons Beeswaxed waxed cotton canvas. Custom developed by Halley Stevensons, the leading expert in waxed/weatherproof fabrics since 1864. 10-oz. British cotton moleskin collar and lining. Moleskin lined collar stand, collar, inside cuffs, under pocket flaps. Lined sleeves for easy on and off. Fits true to size. Water and wind repellent. Antique brass armpit grommet vents. 3 gusseted snap-closure pockets (chest pocket fits iPhone 7). Adjustable cuffs with snap-closure. Antique brass YKK 2 way zipper w/leather pulls. Custom TS antique brass YKK snaps. Signature zig-zag reinforcement stitch on back of collar. Spot clean only. Proudly Handmade in California.