FirstSpear ACM is the latest development in fabric technology. FirstSpear is excited to combine 100% source verified American Merino Wool with other quality materials to create ACM. By using a unique blend for each product FirstSpear is able to tailor each item to its intended purpose. With 3 different levels to choose from, ACM has you covered. The ACM-Base is extra soft against your skin and can be worn year round. ACM-Mid takes it up a notch when you need a little extra warmth and can be worn by itself or over an ACM-Base. ACM-Warm is the highest level and has been designed for maximum warmth and comfort and makes it easy to endure the cold.
By using Merino Wool FirstSpear is able to capitalize on all the naturally occurring material characteristics you desire. Merino Wool is packed with a wide range of high performance benefits for wherever your adventure takes you.
Available / In-Stock now in short sleeve and long sleeve variants using FirstSpear ACM BASE 100 in 4 colors: Commando, Heather Grey, Charcoal, and Sand. Ultra light weight and soft against the skin these new base layers combine all the high performance qualities of Merino Wool, sourced right here in the USA.
Short Sleeve
Long Sleeve
The all new Field Shirt is generously cut for long term comfort on extended adventures or daily wear on the job. Using the very best of proven materials brought forward in a technically advanced package the Field Shirt blends comfort, performance & fit to give you the very best function in styles and colors only FS can provide. Use it as either the ultimate base layer or a shirt on its own you can count on the Field Shirt in Short Sleeve or Long Sleeve.
Constructed from 38? American Merino Wool, 50? Polyester & 12? Modal, the fabric and construction of the Field Shirt is 100? USA