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FORTRESS BasePro 1/4 Zip Moisture-Wicking Cold Weather Base Layer
The BasePro 1/4 Zip is built for precise temperature regulation in cold-weather layering systems. Crafted with AERIS™ 250 insulated, 4-way stretch fabric, it delivers targeted core warmth while maintaining unrestricted mobility for active use. The 1/4 zip design allows for quick ventilation, adapting easily to high-output activities and changing conditions.
Designed to perform in demanding environments, it retains warmth even when wet, offering dependable insulation in rain or sweat. Its lightweight construction provides an exceptional warmth-to-weight ratio without added bulk, while the breathable system helps prevent overheating, keeping you comfortable and focused throughout your activity.
BasePro 1/4 Zip (TRUE TO SIZE)
Male: Order your normal size for a regular fit
Example: 6'2", 225lbs, wearing XL.
Female: Order one size smaller than your usual size for the best fit.
Example: 5'7", 130lbs, wearing Small.
- Item Features
- Video
- Attributes
- AERIS™ 250 Insulation: Advanced fabric delivers reliable warmth with a high warmth-to-weight ratio
- 4-Way Stretch Fabric: Ensures full mobility and unrestricted movement during activity
- Temperature Regulation: Designed to maintain core warmth while preventing overheating
- 1/4 Zip Ventilation: Easy airflow control for changing conditions and high-output use
- Warm When Wet: Retains heat even in damp, rainy, or high-sweat environments
- Breathable Construction: Promotes airflow to keep you dry and comfortable
- Lightweight Design: Provides warmth without added bulk for efficient layering
- Versatile Performance: Ideal for hiking, training, work, and cold-weather layering systems