Skip to main content

Arcteryx Proton Lightweight Hoody - Women's

Arcteryx Proton Lightweight Hoody - Women's
  • Color: Atmos
  • Color: Atmos
  • Color: Atmos
  • Color: Atmos
  • Color: Serene
  • Color: Serene
  • Color: Serene
  • Color: Serene
Please select options


Climb, run, hike – choose your day. An insulated hoody created to give you the freedom to explore your way, the light, durable Proton’s breathable thermal protection delivers comfort across a range of temperature and output levels. Octa® Loft knit insulation provides warmth and allows airflow to help regulate comfort. Abrasion-resistant Fortius™ Air 20 fabric stretches, resists wind, and breathes. Articulation aids mobility, and the low-profile insulated hood adds warmth.

Technical Features

  • Breathable
  • Air permeable
  • Light wind resistance


  • Octa® Loft, clean finished, breathable insulation provides thermal protection while maintaining a comfortable micro climate
  • Fortius™ Air 20 face fabric effectively balances air permeability and weather resistance with lightweight durability

Design & Fit

  • Trim fit for athletic performance
  • Women's specific design for optimal fit and performance

Hem Configuration

  • Adjustable hem drawcord

Hood Configuration

  • Adjustable insulated hood


  • 3
  • 4


  • Articulated elbows
  • Gusseted underarms for mobility and comfort

Pocket Configuration

  • Two stretch woven zippered chest pockets
  • Two zippered hand warmer pockets


  • Contains materials that meet the bluesign® criteria

Zippers & Fly Configuration

  • No Slip Zip™ front zipper

Weight: 295g / 10.4 oz

Fit: Fitted

Model MeasurementsHeight: 5'8", Bust Width: 32", Waist: 26", Hips: 37.5"
Wearing Size: Small

Activity: Rock Climbing / Alpine Climbing


  • Octa® Loft breathable insulation - 100% polyester
  • Fortius™ Air 20 - 84% nylon, 16% elastane

Fit: Fitted

Arcteryx's trimmer fit is patterned to stay close to the body through the chest, waist, hip, and thigh. Its low profile eliminates bulk, moves with the body, and fits comfortably over first layers or under outer layers.

  • Machine Wash Gentle Low
  • Tumble Dry Gentle Low
  • Do Not Bleach
  • Wash Dark Colours Separately
  • Do Not Dry Clean
  • Do Not Iron
  • Do Not Use Fabric Softener
  • Double Rinse

Part Numbers

Option UPC Store SKU
Atmos / Small 623555270638 JAC598901652
Atmos / Medium 623555270621 JAC592791332