Icebreaker Mens Aero Long Sleeve Half Zipsearch

Icebreaker Mens Aero Long Sleeve Half Zip

Icebreaker Mens Aero Long Sleeve Half Zip

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Ultralight Wool for All Seasons

Made from Icebreaker’s lightest-weight merino jersey, the Aero Long-Sleeve Half-Zip is a great base layer for running, hiking, cycling, mountain biking, and more—and transitions easily from winter to warm-weather use. It’s breathable, quick-drying, and incredibly soft against the skin, with a zippered neck collar for targeted body temperature regulation. Flatlock seams prevent chafing, while contrasting neck tape and stitching ensure you’re always sporting in style.

Note: This drop is for the Men’s Aero Long-Sleeve Half-Zip in Monsoon. At checkout, you’ll have your choice of S–2XL sizes.

Icebreaker Mens Aero Long Sleeve Half Zip

The Merino Difference

Merino wool keeps you warm in cold weather and cool in warm weather. Along with offering extra UV protection, it prevents overheating and clamminess by absorbing and releasing vapor. Plus, it’s naturally antibacterial and odor-resistant, so you can stretch an extra day (or two) out of your top when needed.

Icebreaker Mens Aero Long Sleeve Half Zip
Icebreaker Mens Aero Long Sleeve Half Zip


  • Icebreaker
  • Fabric: 90% merino wool, 10% nylon
  • Fabric weight: 120 featherweight
  • Regular fit
  • Zippered neck collar
  • Flatlock seams
  • Contrast inner-back neck tape and stitching
  • Final sale


All orders will be shipped by Massdrop.

Estimated ship date is Mar 23, 2016 PT.

After the drop ends, payment will be collected and the group’s order will be submitted to the vendor up front, making all sales final. Check the discussion page for updates on your order.