The Reversible Bivy Down vest from Patagonia is a water-resistant, down vest that offers the perfect combination of warmth, go anywhere functionality and durability. Warmth is courtesy of 600-fill-power 100% Recycled Down insulation reclaimed from used duck and goose down products,. The vest’s face-side fabric is made of DWR 100% nylon with a cotton like look and feel. The reverse-side fabric is Patagonia's much loved recycled piled fleece. Details 100% recycled polyester with DWR shell face 70% recycled pile fleece reverse 600-fill-power Recycled Down Lined microfleece handwarmer pockets Drop-tail hem for additional warmth Fair Trade Certified sewn, which means the people who made it earned a premium. Model wears a size Small. Dan is 177cm tall and weighs 68kg. He is a size 30"(76cm) waist and 37"(93cm) Chest. He normally wears a size S/M in upper body.