FirstSpear Friday Focus – FirstSpear Asset Technical Field Shirt & Field Shirt

As the fall is underway, it’s time to break out the base layers and prep for cold weather. Cold can be a real killer for those exposed to the elements for long periods of time. Staying warm and dry is imperative. Enter FirstSpear’s American Merino Wool lineup. This week we focus on base layers: the Field Shirt & the Asset Technical Field Shirt.

Designed as a lightweight baselayers that wick moisture from your skin and keeps you dry, our ethically-sourced made in the USA wool Field Shirt and Asset Technical Field Shirt are must-haves. They are breathable and light enough to keep you cool during the heat or help trap warmth when layered with other clothing.

The Field Shirt comes in long sleeve and short sleeve.


Model: Field Shirt

Size: S, M, L, XL, 2XL

Colors: Black, Charcoal, FS Commando, FS Sand

The Asset Technical Field Shirt features FR Rayon, P-Aramid and Nylon plain weave 3-ounce sleeves, anti-friction NanoGlide mesh underarms, inherently heat and flame resistant and features moisture-wicking and anti-microbial properties. The Asset shirt is 100% Berry Compliant and engineered to be a gunfighter’s best friend. Low profile-loop attachment points come standard for FS Cell Tags or IFF.


Model: Asset Technical Field Shirt

Size: S, M, L, XL, 2XL

Colors: Black/heather grey, FS commando, FS sand

Constructed from ACM (Advanced Clothing Materials) BASE 100, it’s the lightest weight Merino Wool package FS offers in its ACM Technical Apparel line. Made from 38% fine Merino American-sourced wool, 50% Polyester and 12% Modal. The ACM Base 100 Line blends comfort, performance and fit to give you the best durability and functionality when you need it most. Combining 100% source verified American Merino Wool with our other quality materials to make ACM. The ACM Base 100 is designed to be extra soft against your skin and to be worn year-round.

Constantly pushing the envelope in technological advances to better serve the warfighter and first responders, check out To read more about our technology advancements, go to

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