The REI Mens Diamond Patch Sweater combines style and insulation for cool-weather adventures. Designed with premium insulation, this versatile jacket keeps you toasty whether you're hiking a trail or walking around town. Layer up for a morning hike and remove the cozy zip-up as the day warms. Or, throw it on over a tee for a crisp evening by the campfire. With multiple fabric options and fits to choose from, this sweater meets your needs in the great outdoors and beyond. Stay warm and look sharp - grab the REI Mens Diamond Patch Sweater for your next outing. Insulation: Down, synthetic or down/synthetic blend options Fabric: Wool, cotton, polyester, nylon or synthetic blends Sustainability: Recycled material construction Fit: Regular, with multiple size and length choices Design: Hooded or hoodless styles; 2-way zipper Technology: GORE-TEX weather protection available