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Inspired by Nature

Microsilk™ is a protein fiber, cultured and spun in Bolt Threads' lab in Emeryville, California and it has the same molecular structure as spider silk. Known as "American Merino" Rambouillet wool has a very fine micron, offering luxury-level softness. We sourced our wool from Mountain Meadow, a family-operated mill in Wyoming.

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Knit with Courage

We designed these caps from the same pattern as our original Cap of Courage, and emblazoned them with the hallmark graphic patterns that made our axes famous. Next we teamed up with the scientists, engineers and apparel experts at Bolt Threads to offer a groundbreaking and timeless update to one of our most beloved and bestselling classics.

Bolt Threads

Bolt Threads is creating the next generation of performance fibers and fabrics using proprietary breakthroughs in industrial biotechnology. Working at the molecular level, Bolt Threads will transform the textiles market, turning renewable raw materials into products with outstanding properties that meet specific consumer needs. The company announced a sustainable materials development partnership with Patagonia in 2016. Bolt Threads is based in Emeryville, California.

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Mountain Meadow

Mountain Meadow is a spinning mill set below the Big Horn Mountains on the Western Plains of Wyoming. It is a family operated mill, owned by Karen Hostetler, and dedicated to supporting local ranchers and raising awareness about ranching culture in the American West. Mountain Meadows is committed to revitalizing the American wool industry through eco-friendly operations and fair prices for ranchers.

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