Arc'teryx Men's Alpha SL Pant

Priced: $118.99 - $258.95
Arc'teryx Alpha SL Pant
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Color: Heron
Available Colors:
Moosejaw $118.99
40% off
Regularly: $199.00
Half-Moon Outfitters $139.99
29% off
Regularly: $199.00 $199.00 $258.95
Mountain Gear $258.95
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Arc'teryx Alpha SL Pant -

The Men's Alpha SL Pant by Arcteryx is the lightest and most packable waterproof/breathable pant. Highly articulated knees and seat allow greater mobility without binding or lifting, and angled lower leg zips improve moisture protection and snag resistance while open for venting.

FEATURES of the Arcteryx Men's Alpha SL Pant.
SPECIFICATIONS of the Arcteryx Men's Alpha SL Pant.

Lining and Layers:

  • 340NR 2-layer GORE-TEX® PACLITE®
  • Three layer GORE-TEX® reinforced instep patches
  • Trim leg fit reduces crampon snags and allows for more effective layering


  • DWR finish (Durable Water Repellent) helps bead water from fabric surface
  • Compact, lightweight N40r (Body) and N150p-X (reinforcements) Gore-Tex fabric with PacLite product technology (hybrid mapping)
  • Hem drawcords, reinforced instep patches, and stowable boot lace hook grommets


  • Full length, separating side zips allow easy entry and rapid ventilation
  • Breathable


  • WaterTight™ 1/4 length leg zippers

Weather and Wind:

  • Micro-seam allowance (1.6 mm) reduces bulk and weight
  • Articulated knees with centre seams
  • Waterproof


  • WaterTight full separating two-way side zippers
  • Dual low profile waist adjusters work with harness or pack waistbelt; front fly zip


  • Gusseted crotch
  • Compressible and packable
  • Snap cuff-closures
  • Tapered legs for minimal bulk
  • Non-separating front fly
  • Waist drawcord with laminated soft grommets
  • Adjustable pant cuff drawcord
  • Adjustable cuff shock cords
  • Pull-on style with elasticized waist

The Arc'teryx Alpha SL Pant is a waterproof, breathable alpine pant with full separating side zippers. GORE-TEX fabric with Paclite product technology provides windproof, waterproof/ breathable protection that is exceptionally compact. High wear areas are reinforced with more abrasion resistant N150p face fabric to increase longevity and retain the light overall weight.

Half-Moon Outfitters
The Alpha SL is our lightest and most packable waterproof/breathable pant. Ideal for take-along emergency use for when the weather takes a turn for the worse. Patterned and designed with highly articulated knees and seat that allow greater mobility without binding or lifting, and angled lower leg zips to improve moisture protection and snag resistance while open for venting.
Mountain Gear
The ultimate shell for ultralight mountaineers and alpinists.
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Also available for: Women
Clothing Fit:Trim Fit
Fit:Athletic with e3D, trim lower leg
Inseam:30.5 in / 77 cm
Material:N40r GORE-TEX Fabric with Paclite Product Technology
Material Technology:GORE-TEX
Seam Taped:Yes
Side Zip:Full Zip
Weatherproof Material:GORE-TEX
Weight:12.9 oz / 365 g
Compare specifications to related products.

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Arc'teryx Alpha SL Gore-Tex PantArc'teryx Alpha SL Gore-Tex Pant$258.95
Arc'teryx Alpha SL Hybrid JacketArc'teryx Alpha SL Hybrid Jacket$174.99 - $349.95
Arc'teryx Alpha LT JacketArc'teryx Alpha LT Jacket$323.99 - $579.00

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