Simms M's Midstream Vest Wool's natural properties provide resilience and comfort across a wide range of temperatures and humidity, plus it offers exceptional odor resistance — ideal for travel, daily wear, and backcountry stays. Lavalan® Sport brings the timeless benefits of wool insulation to modern technical outerwear, offering a natural, renewable solution for temperature and moisture management — perfect for streamlining your kit on extended trips. As the temperature begins to fall, reach for the Midstream Vest. Featuring Lavalan® Wool insulation, to provide warmth in damp conditions with natural anti-order performance. The Midstream is the perfect mid-weight puffy vest to extend your days on the water. Lavalan® Sport 60G wool lofted insulation Abrasion-resistant nylon textiles used for both face and liner with C0 DWR finish for water-resistance YKK conceal-zippered chest pocket and two concealed-zippered hand pockets Interior mesh dump pocket for gear storage; this vest stows into the interior dump pocket Drawcord adjustable hem Fabric Tech: Main/Liner: 85% Nylon, 15% Spandex woven Insulation: 80% Virgin Wool, 20% Corn Based PLA
