Smartwool Size Chart Smartwool is taking their midlayer game to the next level with the Smartloft-X 60 Vest. This vest is made for high-intensity activities, with a breathable outer layer designed to block wind and stretch fabric built for ease of movement. It is the perfect vest to throw on over a long-sleeved layer for a little more warmth on your run or under a jacket for even more warmth as you head into the backcountry for your annual hut trip. Features: - SmartLoft 60: Smartwool's lightest weight of 50% recycled insulation is designed for high-intensity activities in more mild winter conditions. Helps provide thermoregulation and warmth even when wet - DWR Finish: DWR finish (Durable Water Repellent) helps repel water from fabric surface - Wind Protection: Wind-resistant panels protect against the elements - Recycled Wool: This product is made with repurposed, reclaimed recycled wool content as part of its construction. The percentage varies by garment - Regular Fit - Primary insulation utilizes 60g proprietary recycled 50% wool providing lightweight, windproof, packable warmth, breathability, and insulation even when wet - Stretchy secondary insulation allows for increased range of motion and superior breathability while blocking wind - Merino lining provides sweat and odor management - Adjustable elastic cording in bottom opening allows for custom fit - 2 zip hand pockets, 1 zip chest pocket with media cord outlet, and two internal dump pockets - Knit in Vietnam: 56% Merino Wool, 44% Polyester - Last Chance: Discontinued Style - Only available to ship within the USA