The Smartwool Men's Second Cut Vest was designed with circular principles in mind, Second Cut Fleece is crafted with pre-consumer Smartwool Merino wool scraps. This fabric helps combine the moisture management, temperature regulation, and odor resistance of Merino wool. FeaturesTwo drop-in hand pockets and secure chest pocketLocker loop at interior back neck for easy hanging57% Recycled Polyester, 22% Recycled Wool/Reprocessed Wool, 21% Merino Wool