Men's Beta Pant

$379.99

Lightweight shell pant for hiking and climbing in wet, changeable conditions.

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The Arc'teryx Men's Beta Pant is built for the kind of days when the forecast is only a rough suggestion. Lightweight and easy to layer, it gives you dependable weather protection for hiking and climbing without feeling overbuilt. The waterproof, windproof, breathable construction keeps rain out while letting moisture vapour escape, which matters when the trail steepens or the pace picks up.

What stands out in use is how practical it is when conditions turn. The 3/4-length side zips make it easy to pull on over shoes or boots and give you extra ventilation when you need to dump heat. Arc'teryx also uses a PFAS-free GORE-TEX ePE membrane here that is lighter and thinner than previous materials while maintaining the same strength and durability. If the face fabric starts wetting out sooner than expected, a wash and dry will help restore the DWR finish without affecting the membrane's waterproof performance.

Best For

  • Alpine/Hike
  • Multi-use
  • Beta: Versatile high performance for diverse activities and conditions.

Technical Features

  • Waterproof
  • Windproof
  • Breathable
  • Lightweight
  • Durable
  • Breathable material allows moisture vapour to escape, helping regulate temperature and elevating comfort inside garment.
  • GORE-TEX: Waterproof, windproof and breathable textiles that offer fully protective environmental shelter.

Construction

  • PFAS-free GORE-TEX® ePE with a recycled face delivers complete waterproof, windproof, breathable protection
  • GORE C-KNIT™ backer technology is quiet, soft next-to-skin, highly breathable, and made with recycled content
  • FC0 DWR (Durable Water Repellent) finish repels moisture and is free from intentionally added PFAS

Fit & Sizing

  • Fit: Regular
  • Our classic fit is cut comfortably throughout the chest, waist, hip, and thigh. It allows freedom of movement, provides shape, and layers comfortably under our regular and relaxed fit shells.
  • Articulated shaping for fit and movement
  • Garment Inseam: Size M-S (Short) is 31"/79cm, Size M-R (Regular) is 33"/84cm, Size M-T (Tall) is 36"/91.5cm — Inseam varies by size

Features

  • Eyelets at hem for shock cord attachments
  • Laminated instep patches guard against cuts and abrasion
  • One thigh pocket
  • RECCO® reflector aids search and rescue in emergency situations
  • Low profile stretch waistband
  • Long ¾-length separating side zipper provides ventilation and allows easy on-and-off over shoes and boots

Sustainability

  • This product is free of intentionally added PFAS
  • Contains materials that meet the bluesign® criteria
  • Dope dyed backer
  • Recycled content
  • PFAS (Per- and polyfluoroalkyl substances) Compliant

Materials & Specs

  • Body: 80d 3L GORE-TEX® ePE with C-KNIT™ backer, plain weave recycled nylon, FC0 DWR - 100% Nylon with ePE and PU Membrane
  • Weight: 308g / 10.9 oz
  • Model: X000010391
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Men's Beta Pant

Frequently Asked Questions

For more information view our FAQ page

  • Free shipping on orders over $99 (oversize charges may apply) - Read our shipping policy for more information.

  • Standard shipping estimates are as follows:

    Alberta and British Columbia: 2-4 business days

    Saskatchewan and Manitoba: 3 - 4 business days

    All other provinces and territories: 5 - 9 business days

  • We offer fast & easy returns on most products. Exceptions include products 30% off or more, climbing gear, underwear & more.

    Read our return policy here.

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We were established almost 75 years ago by John Monod, a Swiss mountain guide and ski instructor. Quality outdoor gear is what our brand was built upon since 1949.

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