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Au naturale performance.

The Icebreaker Women's Quantum Full-Zip Hooded Jacket delivers top performance thanks to its merino wool. You can push yourself on fall backpacking trips or winter dawn patrols and it'll keep your core warm without overheating. The slim fit and stretch fabric give the quantum a streamlined and comfortable fit as a top layer or mid-layer, and underarm ventilation panels provide extra ventilation. The fold-over cuffs with thumbholes come in handy when your hands start to get chilly, and a media-friendly chest pocket lets you bring your tunes along for the run or hike. 

  • 260g merino wool with Lycra
  • Slim fit
  • Eyelet mesh underarm ventilation panels
  • Reflective front zipper
  • Shaped hood
  • Fold over handwarmer cuffs with thumbholes
  • 2 zippered hand, 1 zippered media chest pockets
  • Reflective details

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Icebreaker Quantum Full-Zip Hooded Jacket - Women's

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Here's what others have to say...

5 5

Slim Fit, but still a really great top

  • Familiarity: I returned this product before using it
  • Fit: Runs small

This one is definitely a slim fit. I am an XL and debating if I want to keep it or not. It would still be great for biking, running, layering, general cold weather activity, and it's Icebreaker, so it's just generally an awesome piece of clothing.

I also have an XL Ibex Shak Lite that might win over this one, but only on the basis of fit, and because I prefer a sightly more relaxed fit.

This one has some very nice details though... a more ventilated fabric panel on the inside of the arms, a double-lined hood to keep the cold out, three zippered pockets for keeping a key or ID with you during activity, thumbholes AND mitten cuffs (if you are unfamiliar with the mitten cuff... the cuff will fold over to create something of a "mitten" over your hands when it's cold out, or if you just need that extra warmth for the beginning of your run, and pull it off as you get warmed up, or maybe you go up in elevation during activity and just temporarily need the protection, then you don't need to carry gloves with you). Love that feature!