We use cookies to give you the best experience possible. Your browser is set to block cookies so some features may not work as expected.

Hey there, the rules of web surfing say we need to inform you that we use cookies to give you the best experience possible. By continuing to browse our website you are agreeing to our use of cookies. Find out more in our Privacy Policy.×

Dually Belay Parka


Buy Now

Find A Store

Click to Zoom
Dually Belay Parka Men's Cold weather insulated parka with dual layers of ThermaTek™ insulation stays warm even when worn over damp or wet layers

Cold weather insulated parka with dual layers of ThermaTek™ insulation stays warm even when worn over damp or wet layers

9 Detail Photo(s), 1 Video(s)



The most serious cold, wet or humid weather belay jacket; the Dually has two layers of high performance ThermaTek™ insulation. Expedition fit allows maximum winter layers underneath without binding and the hip length provides solid, reliable coverage.


The expedition fit has been revised with smaller chest and shoulder diameters for a closer fit, with less bulk and more mobility.


A helmet-compatible StormHood™ rotates without blocking vision while the visor protects from snow and dripping water.


Full separating centre front WaterTight™ Vislon zipper gives you options when working with packs, harnesses and ropes. Insulated hand pockets, two internal mesh pockets and a stuff sack with clip-in point for attaching to a harness.

Learn More About This Product

Helmet Compatible Stormhood™

Helmet Compatible Stormhood Helmet Compatible Stormhood™

The Arc'teryx helmet compatible Stormhood™ is designed to provide the ultimate protection in cold or wet weather. The laminated brim and hood adjusters secure tightly and deliver full coverage without restricting movement or visibility.

Key Advantages

  • Laminated brim
  • Adjustable hood cinch cords
  • Tall collar for full coverage

Arc'teryx Thermatek™ Insulation

Thermatek insulation bonded to a backer fabric Thermatek™ insulation bonded to a backer fabric

Exclusive to Arc'teryx, Thermatek™ is a continuous filament, synthetic insulation that is treated with DWR (Durable Water Repellent) to make it hydrophobic, which means that it repels moisture very efficiently. The lofty insulation is then laminated to a backing fabric to ensure an even distribution and insulation.

Key Advantages

  • Arc'teryx's most efficient insulation when used in humid and wet conditions
  • Very resilient and durable
  • The fastest drying fill insulation in our collection

Arc'teryx Fit Guide - XPD - Expedition Fit

Expedition fit is suitable for winter / extreme conditions. The larger cut accommodates multiple layers without binding or restricting movement. Our maximum fit with room for a base layer plus multiple, thick cold weather mid-layers.

To find out how to calculate your body measurements, view our Sizing Charts:

Men's Tops | Men's Bottoms
Women's Tops | Women's Bottoms

Full Feature List

  • Insulated
  • Great warmth-to-weight ratio
  • Serious warmth protection
  • Compressible and packable
  • Laminated ThermaTek™ non-quilted construction eliminates cold spots
  • Dual layers of Thermatek™ insulation for superior warmth
  • Laminated brim
  • Adjustable hood drawcords
  • Insulated, helmet compatible StormHood™
  • Integrated fitted collar panel for added warmth and comfort
  • Bottom snap closure on zip
  • Full separating two-way front zip
  • Stretch-knit cuffs
  • Adjustable hem drawcord
  • Drop back hem
  • Two hand pockets with zippers
  • Two internal mesh pockets
  • Includes stuff sack


  • ThermaTek™ 2.7 oz—100% nylon face, 92 g/m². Comprised of a high tenacity 30 denier nylon fabric laminated to a 2.7 ounce continuous fibre fill insulation which is then completely immersed in DWR (Durable Water Repellent) treatment.


  • Hand wash only.
  • Tumble dry on medium heat.
  • Do not use fabric softener.
  • Do not iron.


  • Alpinist Mountain Standards Award
  • Urban Climber Magazine's Staff Pick
Product Reviews
Questions & Answers
Find a Store
Help & FAQ
Our Story
Contact Us
About Us