The Patagonia Men&&';;s Nano PuffA(R) Vest delivers lightweight, weather-resistant warmth right where you need it most. Insulated with 60g PrimaLoftA(R) Gold Insulation Eco made from 100% postconsumer recycled polyester with P.U.R.E.(TM) technology, it stays warm even when wet and withstands years of use. A 100% recycled polyester shell and lining with a durable water-repellent finish add reliable protection from wind and light moisture. With a refined fit for improved mobility and a design that packs into its own pocket, this vest is the versatile "magic layer" you&&';;ll reach for season after season. Features: 60g PrimaLoftA(R) Gold Insulation Eco (100% recycled polyester with P.U.R.E.(TM) technology) for lightweight warmth, even in wet conditions 100% recycled polyester shell and lining with DWR finish for weather resistance Streamlined men&&';;s-specific fit enhances comfort and mobility Lightweight and packable design stuffs into its own interior pocket Versatile layering piece ideal for climbing, hiking, travel, or daily wear