Matched to constant training—for trips, tours or ultras—our breathable active insulator is light, fast and technical. Polartec® Alpha® Active 60g insulation cuts a cold-morning chill yet breathes deeply and keeps the interior dry during high-output activity. The stretch gusseted underarm enables free-ranging mobility, while sleek construction detailing gives it a superfast feel on the trail or on the skintrack. A quick-draw hood cinches down fast when storms descend and a ripstop shell sheds light weather with a lasting DWR finish. Key pockets stow critical items.
Fabric
Shell: Meridian™ AP Stretch Mini-Ripstop, 100% Nylon, 20 denier, 49 g/m2 with DWR Finish
Meridian™ AP is a 20 denier Mini-Ripstop Nylon with mechanical stretch by construction. A DWR finish makes this fabric both highly water resistant and extremely breathable while maintaining excellent wind resistance.

Insulation: Polartec® Alpha® Active Insulation, Synthetic Knit Insulation, 54% Recycled Polyester, 46% Polyester, 60g/m2
Alpha® is a 100% polyester knit active insulation that eliminates the need to shed layers while on the move. Designed to regulate core body temp during dynamic and static activities, Alpha® technology keeps moisture vapor moving freely through the fabric, increasing the overall air exchange and speeding up dry times. A DWR coating provides water resistance, increasing this fabric’s performance in the most challenging environments.

Details
-
Lightweight, packable insulated mid-layer
- Adjustable low profile hood with structured hood brim for customized fit
- Gusseted underarms without insulation for mobility and breathability
- Stretch woven cuff for comfort and performance fit
- YKK® Vislon® front zipper
- Chest and hand pockets with hidden zippers
- Stio custom zipper pulls
- Slight drop hem with dual hem adjust
- Reflective Stio® and pinecone logos for visibility
- Imported
Fit
Regular Fit:
Our medium cut. Roomier than Trim but designed with athletic performance and comfort in mind.
Garment Measurements (size medium):
Center back length, 26″
For more information about fit and sizing, visit our fit guide information page here.



















































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