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The Arc'teryx Alpha SL Jacket is an all-in-one shell that is ready to battle against the cold days, heavy rain and deep snow. Made with N40r GORE-TEX® fabric with Paclite® technology, this shell is extremely breathable and waterproof but still lightweight and easy to pack for any long-term outing. With waterproof zippers throughout and all the features you will need, this jacket puts up a worthy fight against the elements. Whether you are climbing a steep couloir, skiing down a crowded resort, or walking to the store in the rain, this jacket is bound to keep you warm and dry.
N40r GORE-TEX® fabric with Paclite® technology for the ultimate it lightweight packability
GORE-TEX® Paclite® – The lightest, most packable outerwear available, GORE-TEX® PacLite® garments are durably waterproof, windproof and breathable and are built for activities when weight and space are critical, but protection is still important.
Tiny GORE® seam tape (13 mm)
Athletic Fit – Retains heat while leaving plenty of room for layering and movement
Articulated elbows
Articulated patterning for unrestricted mobility.
Anatomical shaping for fit and comfort.
Two Hand Pockets with WaterTight™ Zippers
WaterTight™ Pit Zippers – Allow you to dump heat when necessary but seal up against the elements when it's nasty
Fully Seam Sealed – Provides additional waterproofness
Micro-Seam Allowance - (1.6 mm) reduces bulk and weight
Laminated high-strength hanger loop.
One hand adjustable drawcords
Helmet Compatible Speed Hood™
Laminated Chin Guard
WaterTight™ Full Length Front Zip
WaterTight™ external zippers
Note: Arc'teryx WaterTight™ zippers are highly water resistant, but not waterproof. We do not recommend keeping items in your pockets that may be damaged by moisture.
Molded zipper garages
Corded zipper-pulls reduce noise and are easy to grab
Laminated die-cut VELCRO® Brand Fastener cuff adjusters reduce bulk and won't catch or tear off.
Drop Back Hem
Laminated Hem
Adjustable Hem Drawcord
Adjustable elastic waist drawcord
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 |