Icebreaker Womens 150 Zone LS Half Zip

Weighs 154g (UK size 12)
Code: AW19312
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A highly breathable, next-to-skin women’s merino wool zip-neck baselayer with strategically zoned panels of merino mesh for active ventilation, the 150 Zone Long Sleeve Half Zip features stretchy and durable corespun fibers.

Icebreaker says:

A lightweight technical zip-neck baselayer designed with our BodyfitZONE™ construction, the 150 Zone Long Sleeve Half Zip offers intelligent ventilation for year-round moisture management and stretchy, quick-drying performance. A versatile baselayer that works layered up on the ski hill as well as worn alone on a warm trail run, the Zone features our corespun fibers—nylon threads wrapped in soft merino wool and blended with Lycra® for the ultimate combination of durability, stretch and next-to-skin softness. Strategically zoned panels of highly breathable merino mesh increase ventilation for high-output days, and the zip-neck design allows you to quickly dump excess heat. Underarm gussets and raglan sleeves improve range of motion, and flatlock stitching prevents chafing during dynamic pursuits.

Icebreaker's Womens 150 Zone LS Half Zip is a great base layer for warmer days and strenuous activities thanks to its impressive breathability. The  150 range is the thinnest and therefore least warm baselayer from Icebreaker.

The zoned construction provides greater breathability under the arms and on the back when working hard. The flip side of this more open weave is it will let cold air through more easily, something to be aware of if you stop moving with a chilly wind. The zip provides further thermo regulation.

The merino wool with its natural odour resistance makes it a good choice for multi day use. The top is a slim and athletic fit. The flat lock seams are a useful feature to reduce chafing when on the move.

- Reviewed by Ultralight Outdoor Gear

Help and advice:
  • Corespun fabric for enhanced durability
  • LYCRA® content for stretch and mobility
  • Zip neck collar for temperature regulation
  • Strategically placed merino mesh for ventilation
  • Flatlock seams prevent chafing
  • Raglan sleeve construction for mobility
  • Underarm gusset for comfort and mobility
  • Dropped front and back hem for added coverage
  • Icebreaker heat transfer logo
  • XSmall (UK 08) weighs: 130g
  • Small (UK 10) weighs: 142g
  • Medium (UK 12) weighs: 154g
  • Fit: Slim
  • Center back length: 72.7cm/38½", size M


  • Body: 83% Merino Wool/ 12% Nylon/ 5% LYCRA®
  • Eyelet: 84% Merino Wool/ 15% Nylon/ 1% LYCRA®
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