Smart Insulation Technology

SMART INSULATION

Built For The Cold Styled for Life

POWERED BY AERIS INSIDE TECHNOLOGY
Shadow 2.0 - Fortress ClothingShadow 2.0 - Fortress Clothing
Quick add
Close
Notify me
Notify me
Notify me

Shadow 2.0

Stay warm and protected on every winter adventure with the Shadow 2.0. Built with 100% polyester lining and 250 AERIS® insulation, this jacket provides superior warmth and flexibility. The 4-way stretch fabric ensures maximum freedom of movement, while the wind & water-resistant DWR material...
$199.00
$199.00
Close
Notify me
Notify me
Notify me
Shadow 2.0 - Fortress Clothing
Shadow 2.0
$199.00
$199.00
Hybrid Hoodie - Fortress ClothingHybrid Hoodie - Fortress Clothing
Quick add
Close
Notify me
Notify me
Notify me

Hybrid Hoodie - Black

Hybrid HoodieDesigned to be your go-to all-season outer layer—lightweight, breathable, and warm even when wet. Built with patented USA-made AERIS™ insulation (500 in the core, 250 in the arms and hood), it delivers targeted warmth and mobility without bulk. Wear it alone for everyday...
$159.00
$0.00
$159.00
Save $-159.00
Close
Notify me
Notify me
Notify me
Hybrid Hoodie - Fortress Clothing
Hybrid Hoodie
$159.00
$0.00
$159.00
Save $-159.00
Cloud - Fortress ClothingCloud - Fortress Clothing
Quick add
Close
Notify me
Notify me
Notify me
Notify me

Cloud - Cobalt

The Cloud Jacket is your perfect balance of lightweight comfort and serious warmth. Built with ultra-soft materials and Patented insulation, it wraps you in cloud-like coziness without the bulk. Ideal for everyday wear, chilly adventures, or lounging in warmth. Temp Rating: 15˚F to 70˚F –...
$149.99
$149.99
Close
Notify me
Notify me
Notify me
Notify me
Cloud - Fortress Clothing
Cloud
$149.99
$149.99
Terra Hoodie - Fortress ClothingTerra Hoodie
Quick add
Close
Notify me
Notify me
Notify me
Notify me

Terra Hoodie

The Fortress Terra Hoodie blends patented USA AERIS™ insulation with breathable fabric for all-day performance. Designed for work, adventure, and everyday wear, it provides unmatched core warmth while keeping your arms and hood lightweight and flexible. Key Benefits: Insulated Core – Patented AERIS™ insulation...
$139.99
$139.99
Close
Notify me
Notify me
Notify me
Notify me
Tundra Coat 2.0 - Fortress ClothingTundra - Fortress Clothing
Quick add
Close
Notify me
Notify me
Notify me

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: Body: 500 AERIS™ Insulation for maximum core...
$269.00
$269.00
Close
Notify me
Notify me
Notify me
Terra Hoodie - Fortress Clothing
Terra Hoodie
$139.99
$139.99
Tundra Coat 2.0 - Fortress Clothing
Tundra
$269.00
$269.00

The Insulation Changing Winter Gear Forever

TESTING INSULATION

Adaptive Insulation

1-2 Layer System

The Insulation Changing Winter Gear Forever

TESTING INSULATION

Adaptive Insulation

1-2 Layer System

The Insulation Changing Winter Gear Forever

TESTING INSULATION

Adaptive Insulation

1-2 Layer System

The Insulation Changing Winter Gear Forever

TESTING INSULATION

Adaptive Insulation

1-2 Layer System

FALL TOP PICKS

Shop All
$149.99
$149.99
$139.99
$139.99
$144.99
$169.99
$144.99
Save $25.00
$89.99
$119.99
$89.99
Save $30.00
$129.00
$129.00
$34.99
$34.99
$69.00
$69.00
$39.99
$39.99