It"s difficult to improve sweaters. From their sheepish origins to their modern, nylon (vegan) equivalent, sweaters have consistently provided warmth and comfort to outdoorsmen. So when considering the Patagonia Better Sweater , any skepticism towards this "better" business is understandable. But skeptics be warned: this truly is an improvement. Patagonia has enhanced their perennial classic by creating their softest high-performance polyester fleece. The Better Sweater is as warm as wool but as smooth as butter. The stand-up collar will protect your neck and face from bitter winds and the fit-structure will guarantee layering comfort and backpacking ease. Sweater-knit face, fleeced interior and heathered overdyed yarns Stand-up collar and full zip with zipper garage to protect chin from direct contact with zipper Raglan sleeves for comfort when wearing a pack Micro polyester jersey trim on cuffs and hems