Simms Midstream Pant

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. When it's cold and damp, nothing brings back the cozy like a pair of insulated pants. Whether it's a chilly summer evening in camp, or you're extending the season year-round, Midstream Pants prove versatile and comfortable. Lavalan® Sport 40G wool lofted insulation Abrasion-resistant nylon textiles used for both face and liner with C0 DWR finish for water resistance Durable nylon overlays on the knees and seat Integrated belt with quick-release buckle and elastic waistband ensures a comfortable fit Zip fly construction Two front drop-in hand pockets and two rear drop-in pockets Articulated knee and gusset construction for freedom of movement Fabric Tech: Main/Liner: 85% Nylon, 15% Spandex woven; Overlays: 96% Nylon (45% recycled) / 4% Spandex woven Insulation: 70% Virgin Wool, 30% Corn Based PLA • Lavalan® Sport 40G wool lofted insulation • Abrasion-resistant nylon textiles used for both face and liner with C0 DWR finish for water resistance • Durable nylon overlays on the knees and seat • Integrated belt with quick-release buckle and elastic waistband ensures a comfortable fit • Zip fly consruction • Two front drop-in hand pockets and two rear drop-in pockets • Articulated knee and gusset construction for freedom of movement