Tundra
Engineered with top-tier materials, this jacket delivers unmatched durability and performance in extreme weather. Featuring windproof, water-resistant fabrics with a DWR (Durable Water Repellent) finish, it keeps you warm and dry no matter the elements.
Key Features:
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Body: 500 AERIS™ 1/2” Insulation for maximum core warmth
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Arms: Patented USA-made 250 AERIS™ Insulation for mobility and comfort
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Lining: Soft, breathable polyester
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Shell: Windproof, water-resistant polyester with DWR finish
Temperature Rating: -30˚F to 50˚F — proven warmth even when wet
Female Model Example: Weighs 110lb 5'1'" Wearing a XS
Fit:
| Weight | 20 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
