Matched to constant trainingโfor trips, tours or ultrasโour breathable active insulator is light, fast and technical. Polartecยฎ Alphaยฎ 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: Meridianโข AP Stretch Mini-Ripstop, 100% Nylon, 20 denier, 49 g/m2 with DWR Finish
Meridianโข 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:ย Polartecยฎ Alphaยฎ Active Insulation, Synthetic Knit Insulation, 54% Recycled Polyester, 46% Polyester, 60g/m2
Alphaยฎ 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, Alphaยฎ 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
- YKKยฎ Vislonยฎ front zipper
- Chest and hand pockets with hidden zippers
- Stio custom zipper pulls
- Slight drop hem with dual hem adjust
- Reflective Stioยฎ 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 pageย here.



















































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