Powered by Patented Aeris® Insulation — Made in the USA
Stay warm even when wet with Aeris®, our advanced insulation that wicks moisture, blocks wind, and works across a wide temperature range—down to -40˚F when layered properly.
✔️ One Extreme Product
✔️ Or Two Aeris 250 Layers
= All the warmth. None of the bulk.
💨 Why Fortress Clothing™?
🧥 Lightweight & Wind-Blocking – No bulky layers
🛠️ Proven in Harsh Conditions – Cold-tested to -40˚F
🧬 Next-Level Tech – Aeris® traps heat and lets moisture escape
🏞️ Outdoor Enthusiasts – Hike, hunt, or fish in any weather
🎿 Snow Sports Athletes – Stay warm and dry, no matter the snow
🏗️ Industrial Workers – Reliable warmth = more productivity
👮 Public Safety & Military – Cold-weather missions? Gear up
🚨 Emergency Preppers – Trust gear that works when it counts
No matter where life takes you, Fortress Clothing™ keeps you warm, dry, and unstoppable.