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Engineered for cold-weather versatility, this thermal mid-layer blends windproof protection, lasting warmth, and moisture control. Featuring Wind-Go wind shield and Air-Cycle fleece, it locks in heat while staying breathable and dry. Whether worn solo on crisp autumn hikes or layered beneath an outer shell, it delivers warmth without the bulk.
Highlights
- Wind-Go fabric shields against chill and cold drafts
- Air-Cycle fleece boosts warmth retention by 35.6%
- 459% moisture absorption for quick sweat-wicking dryness
- Flow-Free ventilation keeps warmth without overheating
- Lightweight stretch fabric (310g) for easy layering without bulk
Fabric & lining: 91% Polyester, 9% Spandex – lightweight, breathable, and flexible, providing comfort and ease of movement.
Front panel contrast fabric: 89% Nylon, 11% Spandex – smooth, resilient, and wind-resistant for added protection.
Pocket lining: 100% Polyester – soft, breathable, and easy-care for everyday convenience.

All-Around Wind Shield: Wind-Go Protection
The tightly woven Wind-Go fabric shields against chill, while the high collar, thumbhole cuffs, and drawcord hem seal in warmth from all sides.

Air-Cycle Fleece: Lasting Thermal Retention
The denser Air-Cycle fleece structure enhances warmth by 35.6%, trapping heat longer for reliable cold-weather comfort.

Quick-Dry Absorption: Sweat Won’t Stick
With 459% moisture absorption, the fabric rapidly wicks away sweat, keeping you dry and fresh during activity.

Flow-Free Breathability: Warmth Without Overheating
Engineered ventilation pathways circulate air, releasing heat and moisture so you stay warm but never stuffy.

Featherlight Flexibility: Warmth Without Bulk
At just ~310g and 1.1mm thin, the high-stretch fabric (120% elongation) adapts to movement and layers easily without adding weight.