The Women's SMARTLOFT 150 Vest by Smartwool uses recycled wool and merino to give you ultimate warmth and mobility in a perfect fall layer. The recycled wool is warm even if wet. It's lined with merino for optimal comfort. A wind-resistant shell has a Durable Water Repellent finish. Two zip hand pockets and an inner zip pocket hold your essentials. Side zips help regulate your core temperature.