Under Armour Base 4.0 1/2 Zip Base Layer

The Under Armour Base 4.0 1/2 Zip (6004064-002-XS) is a high-performance midweight base layer top engineered for cold weather conditions. Designed in size Extra Small, this base layer provides excellent thermal insulation and moisture management, making it an ideal foundation layer for winter activities, outdoor work, and cold-weather training.

Advanced Thermal Performance

Constructed with Under Armour’s Base 4.0 fabric technology, this base layer effectively traps body heat while allowing moisture to escape. The material keeps you warm without overheating, delivering consistent comfort during high-output activities in freezing temperatures.

Convenient Half-Zip Design

The 1/2 zip closure offers quick and easy ventilation control. This feature allows you to adjust your body temperature on the go without removing outer layers, providing added versatility during changing weather conditions or varying activity levels.

Next-to-Skin Fit and Mobility

The Base 4.0 1/2 Zip is designed with a close-to-body fit that layers smoothly under jackets and outerwear. The fabric offers excellent stretch and recovery, ensuring unrestricted movement during hiking, skiing, hunting, or other cold-weather pursuits.

Key Features

• Under Armour Base 4.0 1/2 Zip Base Layer
• Midweight cold weather performance
• Half-zip design for easy ventilation
• Size: Extra Small
• SKU: 6004064-002-XS
• UPC: 198632664421

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 1/2 Zip

Under Armour delivers reliable cold-weather performance with the Base 4.0 1/2 Zip. The 6004064-002-XS model combines advanced thermal fabric, moisture-wicking technology, and a convenient half-zip design in an Extra Small base layer built for comfort and function in demanding winter conditions.The End ```