Extreme Pant
Made in the USA (-35˚F to 50˚F)
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Layer System: Fortress Clothing uses a patented insulation with an outer shell to repel wind and water, and the extreme layer to trap heat and wick away moisture.
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Insulating Materials: High-quality patented insulating materials such as synthetic fibers and specialized fabrics are used to retain body heat effectively.
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Moisture Management: Insulation are designed to wick moisture away from the skin, keeping you dry and comfortable.
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Windproof and Water-Resistant: Many garments are windproof and water-resistant, providing an additional barrier against the elements.
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Durability: Fortress Clothing is known for its durability, ensuring that its insulating properties remain effective over time.
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Layering Options: The clothing is designed to be a Mid-Layer, allowing you to add providing flexibility in staying warm with this layer and a shell.
Features:
– Patented AERIS™ 500 Insulation Technology (½” / 13mm of loft) Maintains Warmth soaking wet or dry. -35˚F to 50˚F
– Exceptional warmth-to-weight ratio
– Fully Adjustable Elastic Waistband
– Elastic Cuffs for use Tucked into or over Boots
– Wind Resistant
Sizing Chart:
Materials:
– 100% Polyester Mesh Lining
– 100% Polyester Micro Rip-Stop Taffeta with DWR Finish
*Made in the USA
| Weight | 16 oz |
|---|---|
| Dimensions | 12 × 12 × 3 in |
| SIZE |
Built for the Cold. Designed for More.
Fortress Clothing delivers innovative cold-weather gear powered by USA-made AERIS™ insulation. Designed for work, outdoor adventures, and everyday winter conditions, our products focus on lightweight warmth, comfort, and performance when the temperature drops.
Why Choose Fortress?
- Advanced Insulation Technology – Innovative AERIS™ insulation designed for cold-weather performance.
- Warmth Without the Bulk – Lightweight designs that help keep you warm without unnecessary layers.
- Performance in Wet Conditions – AERIS™ insulation is designed to retain warmth even when wet.
- Comfort and Versatility – Gear designed for work, outdoor activities, and everyday wear.
- Featured on Shark Tank – Discover the insulation technology behind Fortress Clothing.
FORTRESS CLOTHING — WARM TO THE CORE™
Gear up for the cold and experience a different approach to winter warmth.
WARMTH THAT WORKS WHEN WET
Designed to retain warmth even in wet conditions from rain or sweat.
LIGHTWEIGHT. SERIOUS WARMTH.
Get dependable insulation without the unnecessary bulk.
BREATHABLE COMFORT
Helps manage heat during activity so you can stay comfortable on the move.
Buy it with
Key Features
built with USA-made, patented insulation tested for over 16 years in real-world environments. It delivers consistent warmth even when wet, lightweight performance without bulk, and breathable comfort during activity.
Made to perform when it matters most, we offer quality that you can count on. Tested and proven to deliver consistent results, it's made for everyday use and beyond.
Wind & water resistant shells – protection from harsh elements4-way stretch fabrics – full mobility for work or outdoors
IN the wild
