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Compact and ready at a moment's notice, the Arc'teryx Alpha SL Jacket is essential weather protection that takes up almost no space in your pack. It's constructed of extremely lightweight GORE-TEX® Paclite® fabric for superior protection from fast moving storms, without weighing you down. Complete with a helmet-compatible hood, the Alpha SL is the perfect emergency fortress for trekking and backpacking.
N40r GORE-TEX – A lightweight nylon 2-layer fabric with a mini-ripstop construction for increased tear strength and durability.
Durable Water Repellent (DWR) Finish
Trim Fit – Trim fitting garments share motion-friendly traits with Athletic fit, but are patterned with lower volume for reduced bulk. Trim fit is sized for a base layer and a trim synthetic or down filled mid-layer.
One-hand adjustable drawcords
Anatomical shaping for fit and comfort.
Gender Specific Patterning
Articulated patterning for unrestricted mobility.
Articulated elbows
No-Lift Gusseted Underarms
Laminated die-cut Velcro® cuff adjusters reduce bulk, and won't catch or tear off
Adjustable elastic waist drawcord
Harness HemLock™ inserts keep jacket in position under harness
Two Hand Pockets
One Internal Pocket
Micro-seam allowance (1.6 mm) reduces bulk and weight.
Fully seam-sealed for waterproofness
Tiny GORE® seam tape (13 mm).
StormHood™ – Helmet-compatible hood rotates without blocking your vision.
Laminated Chin Guard
WaterTight™ External Zippers: Chest pocket and full length front zip – WaterTight™ zippers are highly water resistant, but not waterproof. Arc'teryx does not recommend keeping items in your pockets that may be damaged by moisture.
Zipper Garages – To protect zipper closure from snow and rain.
Micro Corded Zipper Pulls
Laminated drop back hem with adjustable drawcord
Includes stuff sack with webbing loop to clip to a harness
Breathability Rating (g) | Breathability Level | Activity Level |
0 - 10000 | Low to moderate breathability | Resort skiing & snowboarding / walking / low intensity activity |
11000 - 15000 | Moderate breathability | Resort skiing & snowboarding / hiking / moderate intensity activity |
16000 - 20000 | High breathability | Backcountry skiing & snowboarding / backpacking / moderate to high intensity activity |
21000+ | Very high breathability | Backcountry skiing & snowboarding / biking / high intensity activity |
Size | XS | S | M | L | XL | XXL |
---|---|---|---|---|---|---|
Weight (g) | 342 |