When you need some added protection from the elements, The prAna Coldstream Hoodie Men's sweater is ready to go. This cozy fleece (thanks Polartec!) is low profile but high function. When the wind whips up on your hike, simply pull the hood up and enjoy the functional face coverage it offers - a feature that's great for biking too. It's got your beats covered too, with a handy headphone buttonhole. If you ever needed proof that sustainable clothing has come a long way, this hoodie is it.