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Icebreaker Mens Quantum III LS Zip Hoodie

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Ready for technical mountain adventures like skiing, hiking and climbing, the Quantum III Long Sleeve Zip Hoodie is a slim-fit mid layer that... Read more
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Ready for technical mountain adventures like skiing, hiking and climbing, the Quantum III Long Sleeve Zip Hoodie is a slim-fit mid layer that helps regulate your body temperature during high-output days. Harnessing the natural benefits of its 100% merino wool fabric, the Quantum stretches with you, breathes efficiently and resists odors. Zippered hand and chest pockets secure your small essentials, while thumb loops keep your sleeves in place and your hands warm. Offset shoulder seams reduce rubbing when you're wearing a pack.


Inspired by nature, icebreaker harnesses the performance qualities of natural fibers to offer an alternative to clothing based on petrochemical synthetics. Merino is an annually renewable fiber that naturally resists odors, keeps you cool when it’s hot and warm when it’s not, and lets your skin breathe for comfort all day, every day. 


  • 100% Merino - Soft merino fibers that regulate body temperature in all weather conditions and resists odors

  • Fitted hood

  • Thumb loops to keep your sleeves in place and hands warm

  • Offset shoulder seams to prevent friction

  • 2-way zip

  • Zipper chin guard to prevents friction

  • Zippered hand and chest pockets

  • Internal dump pockets

  • Drop tail hem for added coverage


  • Layer: Mid Layers

  • Fabric content: 100% Merino Wool

  • Fabric weight: 270 Midweight

  • Merino fiber micron: 20.9µ