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The Arc'teryx Beta AR Jacket is perhaps Arc'teryx's most versatile GORE-TEX® Pro shell, suitable for both snow sports and alpine missions, and built for years of hard use. The AR version uses a combination of 40 denier and 80 denier fabrics, with the heavier weight covering high wear areas. Even with this extra "burliness" factor, the Beta AR weighs only 455 grams in a medium, and packs super small when you need it to. A must-have for serious year-round mountain enthusiasts.
N40p-X 109 g/m² 100% Nylon Plain Weave – A high tenacity nylon face fabric with a flat filament warp yarn and false twist textured fill yarn, backed with a micro-grid woven backer. This fabric is lightweight, durable, and has excellent water repellency. DWR finish.
N80p 167 g/m² 100% Nylon Plain Weave – Tighly woven mid-weight fabric with excellent durability and a DWR finish.
GORE-TEX Pro – Durably waterproof, windproof, and extremely breathable. Garments made with GORE-TEX Pro combine comfort with reliable weather protection, even during extended activities in extreme weather. Made to meet the high demands of (ski) mountaineers, freeriders, mountain guides, and serious outdoor enthusiasts.
GORE® Micro Grid Woven Backer
Regular Fit – Cut comfortably from the body through bust/chest, waist, hip and thigh for a classic fit.
e3D™ Ergonomic 3-Dimensional Patterning – e3D™ patterning brings a new level of articulation and range-of-motion to Arc'teryx active fit garments. The application of e3D™ patterning allows for enhanced mobility for sport-specific activities in challenging environments.
Center Back Length – 75.5 cm / 29.7"
Two Hand Pockets with New RS™ (Rain Shield) Zipper Sliders
Internal Zippered Security Pocket
Water Tight™ Pit Zips for Ventilation
DropHood™ – This helmet compatible hood has a stand alone collar and separate hood. The DropHood™ can be cinched with one-handed drawcords, allowing it to rotate with the head without obscuring vision when turning from side to side. Front zipper protects chin and neck from wind, snow and rain.
WaterTight™ Vislon Front Zip
Adjustable Hem 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 |
| Size | S | M | L | XL | XXL |
| Weight (g) | 455 |