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Our on-line store is open 24/7 and we ship Monday through Friday, excluding some holidays. Orders received for products without shipping restrictions on its product page will ship the same business day when received before 12:00 p.m. PST. Orders in high demand will have an estimated production time listed on its product page and will ship according to the date listed.
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.
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
We are a Seattle, WA based outdoor gear store with a mission to make climbing, backpacking, skiing & mountaineering accessible and enjoyable for everyone.
© 2026, Master Store
