Features of the Smartwool Women's Smartloft 60 Hoody Vest 60g Proprietary recycled wool Insulation offers lightweight, packable warmth, breathability and Insulation even when wet Wind-resistant nylon with DWR protects from the elements Insulation is lined in merino for sweat and odor management Merino 250 panels provide ease of movement and breathability 2 Zip hand pockets, internal zip chest pocket with cord routing