The J. Peterman Duster - Men's Size Large - COLOR: NATURAL - New on The J. Peterman website $398.00 Classic horseman’s duster protects you, your rump, your saddle and your legs down to the ankles. Horseman’s Duster (No. J4074). Corduroy-lined collar with chin strap. High-count 100% cotton canvas outer shell. Lightweight cotton lining. Metal snaps and adjustable closures at cuffs. Adjustable leg straps. Snap closures on saddle vent. Imported.