Mittens Extreme
Fortress Insulated Mittens
Big warmth. Small weight. Built for cold-weather adventures.
Keep little hands warm without the bulk. Fortress Mittens are built with 1/2" of patented USA-made AERIS® insulation, delivering exceptional warmth while remaining lightweight and flexible. Designed for women and kids, these mittens are perfect for skiing, snow days, outdoor adventures, winter sports, and everyday cold-weather use.
Features
- 1/2" USA-made AERIS® insulation
- Exceptional warmth without excessive bulk
- Lightweight and comfortable
- Designed for women and kids
- Great for skiing, snowboarding, sledding, hiking, and everyday winter use
- Flexible construction for easy movement
- Built for cold-weather performance
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
