Under Armour Base 4.0 Crew Base Layer

The Under Armour Base 4.0 Crew (6004070-002-LG) is a high-performance midweight base layer top designed to deliver superior warmth and moisture management in cold conditions. This crew neck base layer in size Large provides excellent thermal insulation while remaining breathable, making it an ideal foundation piece for winter activities, outdoor work, and cold-weather training.

Advanced Thermal Fabric Technology

Constructed with Under Armour’s Base 4.0 fabric, this base layer effectively traps body heat close to the skin while wicking away moisture to keep you dry and comfortable. The material is engineered for consistent performance during high-output activities in freezing temperatures without adding unnecessary bulk.

Classic Crew Neck Design

The crew neck style offers a comfortable, non-restrictive fit around the neck and layers smoothly under jackets and outerwear. This versatile design makes it suitable for a wide range of cold-weather applications where a clean, functional base layer is needed.

Comfortable Next-to-Skin Fit

Designed with a close-to-body fit, the Base 4.0 Crew provides excellent stretch and recovery for unrestricted movement. The fabric maintains its shape over time while allowing full range of motion during hiking, skiing, hunting, or other demanding winter activities.

Key Features

• Under Armour Base 4.0 Crew Base Layer
• Midweight cold weather performance
• Crew neck design
• Size: Large
• SKU: 6004070-002-LG
• UPC: 198632804346

Ideal For

• Cold weather layering systems
• Winter hiking and outdoor activities
• Skiing, snowboarding, and winter sports
• Hunting and tactical operations

Under Armour Base 4.0 Crew

Under Armour delivers reliable cold-weather performance with the Base 4.0 Crew. The 6004070-002-LG model combines advanced thermal fabric, moisture-wicking technology, and a comfortable crew neck design in a Large base layer built for warmth and function in demanding winter conditions.The End ```