From Duckworth's Description, "Once you've tried this WoolCloud Vest, you'll never want another vest again. Duckworth's WoolCloud Vest is filled with a proprietary Montana-grown Merino Wool batting, which never loses its loft and insulation. It actually becomes warmer when wet! This Merino Wool vest is water-resistant and lightweight with a relaxed-fit. It features a nylon shell, a metal snap front, two insulated hand pockets, and one inside chest pocket. This Merino Wool vest is versatile, warm, durable, and breathable, perfect for outdoor adventures and casual wear in all four seasons. Wear it as a layer under a heavier coat or wear it over a button-down for a night out. American-made with Montana wool, this men's vest is available in multiple colors". size Large, olive/army green (aka Spruce) This is lightly loved, in very good condition with very minor/slight pilling at the bottom. measurements: PTP is 22 inches, Length is 29 inches