The men’s Reversible BIVY Down vest features heavy insulation and ethical warmth for a go-anywhere cool-weather top. 600 fill power recycled down is 100|% recycled from used products and provides superlative heat-retention. The face is a 51% recycled plain weave nylon, water-resistant and Durable Water Repellent-treated. On the inside is a windproof 100% recycled poly ripstop taffeta, also DWR-treated. The yoke and collar are polyurethane-coated nylon with a DWR treatment, providing weather-stopping coverage. The zip-through stand-up collar offers more neck protection when done up. Two microfleece-lined handwarmer pockets are great quick-stash options. A drop tail hem keeps the wind out.