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Icebreaker Men's Quantum LS Zip

The Quantum LS Zip is a low bulk, breathable Merino midlayer to help regulate your body temperature and is ideal for technical mountain adventures. It features strategically-placed midweight mesh panels for extra ventilation while you're active, a touch of LYCRA® for stretch and underarm gussets for extra range of motion when stretching out. Other features include thumb loops for extra warmth, a reflective zip and zip-secure hand warmer pockets.

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  • Slim fit
  • LYCRA® content for stretch and mobility
  • Strategically placed Merino eyelet for ventilation
  • Reflective front zip for visibility in low light conditions
  • Zip guard and interior storm flap prevent chafing
  • Raglan sleeve construction for mobility
  • Underarm gusset for comfort and mobility
  • Zipped hand pockets
  • Thumb loops anchor sleeves for extra warmth
  • Icebreaker reflective heat transfer logos
Size Chart
all measurements in cm

How to measure:

  • Chest: Place your tape measure across your back, underneath your arms and then across the fullest part of the chest
  • Height: This is your true height, without the assistance of shoes

In instances when your body measurements for chest and height are in two different suggested sizes, Icebreaker recommends going with the size from your chest measurement.