SALE
ADAPTIVE WARMING INSULATION
Warm Like down Works like Wool
Serious warmth. Less bulk. More freedom.
Fortress uses patented AERIS™ insulation to deliver real warmth without the weight, so you can go further, work harder and stay warmer — in any condition.
REAL PEOPLE. REAL CONDITIONS.
WARM WHEN WET
LIGHTWEIGHT
USA-MADE AERIS™
BUILT FOR COLD
THE PROBLEM
WHY WEAR 4 LAYERS?
Traditional layering is bulky, complicated, and limiting. Fortress simplifies the system without compromising protection.
TRADITIONAL LAYERING SYSTEM
4+ LAYERS
BASE LAYERMoisture managementMID LAYERwincking
Insulation LayerInsulated
ShellWind resistance
×Bulky and restrictive
×Slow to put on and take off
×Too many pieces to pack
VS
THE FORTRESS SOLUTION
ONE SYSTEM. LESS BULK.
FORTRESS Base Layer4-layers in 1 Simple as that
FORTRESS JacketBuilt for movement✓One streamlined system
✓Full-body protection
✓Freedom to move
SEE THE DIFFERENCE
HOW AERIS™ WORKS
Real Warmth. No Gimmicks.
Watch how our patented AERIS™ insulation keeps you warm, dry and comfortable — even in the harshest conditions.
WARMTH
Retains heat in cold conditions.
WET PERFORMANCE
Continues to insulate even when wet.
LIGHTWEIGHT
Serious warmth without the bulk.
BREATHABLE
Lets moisture escape so you stay comfortable.
MOBILITY
Moves with you, not against you.
REAL CUSTOMERS. REAL RESULTS.
Trusted performance for demanding conditions.
★★★★★
“Warm, dry, and ready for the mountains.”
Alex R.Explore the system
★★★★★
“Dependable protection when the weather turns.”
Jordan M.Shop cold-weather layers
★★★★★
“Technical gear for brutal conditions.”
Taylor S.Find your outer layer
BUILT FOR REAL CONDITIONS
Technical layers and dependable gear for the days that demand more.
FIELD TESTED
WORK
Built to keep moving when conditions turn hard.
Explore work gear
BUILT TO ENDURE
HUNT
Protection and performance for long days outside.
Explore hunting gear
GO FURTHER
ADVENTURE
Reliable comfort for every route and forecast.
Explore adventure gear
READY EVERY DAY
EVERYDAY
Technical warmth that works wherever the day leads.
Explore everyday gear
FREE SHIPPING
Edit this service detail
EASY RETURNS
Edit this service detail
30-DAY GUARANTEE
Edit this service detail
CUSTOMER SUPPORT
Edit this service detail
QUICK PRODUCT FINDER
HELP ME FIND THE RIGHT PRODUCT.
Answer a few simple questions and we’ll help you find the best Fortress product for your needs, conditions and activities.
NEW LAYER SYSTEM
Replace random layers with one streamlined system.
BUILD MY LAYER SYSTEM
ALL-IN-ONE JACKET
One jacket. All the warmth, all the performance.
FIND THE RIGHT JACKET
↑ ↑ ↑
✦
WARMTH
≈
WET PERFORMANCE
◌
LIGHTWEIGHT
↔
MOBILITY
WARM WHEN WET
LIGHTWEIGHT
USA-MADE AERIS™
BUILT FOR COLD
