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ArcTeryx Proton LT Hoody (Bombora)

Size Guide
ArcTeryx Mens Jackets Size Chart

The Arcteryx Proton LT Hoody provides midweight air-permeable insulation that Self-regulates to prevent overheating.

Adaptable, versatile and designed to manage the dynamic demands of rock, ice and alpine climbing, the highly air permeable proton LT hoody performs as a softshell and midweight insulated midlayer. Advanced material technologies balance wind, weather and thermal protection while  allowing air to pass freely in and out. This ability to self-regulate helps prevent vapour accumulation and allows the proton LT to deliver comfort over a wide range of temperatures, conditions and output levels.

Key Features

Arc'teryx Coreloft insulation: Developed by Arc'teryx, Coreloft is a synthetic insulation made of staple fibres in mixed sizes that are crimped to trap air and retain warmth. Available in different thicknesses for end-use performance and comfort.

Light and highly compressible | Durable & resilient | Retains its warmth in humid/wet conditions and dries quickly if wet.


  • Air permeable, wind resistance, water resistance
  • Abrasion resistant
  • DWR finish (Durable Water Repellent) helps repel water from fabric surface
  • Trim fit for athletic performance
  • Articulated elbows
  • Gusseted underarms
  • Insulated hood
  • Adjustable hood drawcords
  • Helmet Compatible
  • No Slip Zip front zipper
  • Dual back flaps on main zipper prevent wind penetration.
  • Cuff & Sleeves configuration
  • Stretch-Knit cuffs
  • Drop back hem
  • Dual lower hem adjusters
  • Chest pocket with zip
  • Two insulated hand pockets with zippers.


  • Age Group: Adult
  • Closures: YKK Full Zip
  • Hood: Yes
  • Inner Fabric: Fortius Air 40 92% nylo, 8% Elastane
  • Insulation: Coreloft
  • Windproof: Yes
  • Colour: Blue
  • Gender: Male


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