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Icebreaker Circuit Jersey - Short-Sleeve - Men's

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Item # ICE0599

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Item # ICE0599


The slightly thicker merino wool on the front panel of the Icebreaker Circuit Short-Sleeve Jersey offers protection and warmth, while thinner-knit wool on the back panel releases excess heat so you can ride longer without fatigue.

  • Merino wool naturally regulates your body temperature and resists odor so your housemates won't pass out when you walk in after your ride
  • Full-length front zipper lets you cool down quickly
  • Rear pockets hold a snack and your mini pump
  • Gripper elastic hem eliminates bunching

Tech Specs

3 rear
merino wool
Recommended Use:
Manufacturer Warranty:

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Here's what others have to say...

Avg. ride time: 4h 2m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

Classy threads

    Never heard of Icebreaker? Neither have I, until now. Glad I went for it. Superb quality jersey. If you know & like wool, this is the jersey for you. Fabric is light-weight and very soft. Positively no stink & no itch. Medium fits my 6' / 170lbs slim frame perfectly, which is to say I like a close cut when it comes to jerseys. Stitching is top-notch and the attention to detail is what you'd expect at this price point - no hanging threads, smooth zipper, silicone gripper around the base. Everything about this jersey says "shaken, not stirred"


    Love It

      This is a great jersey for those cooler days, I wear mine with arm and knee warmers in the mid- 50 temp range and feel fine. The merino wool does its job very effectively and the simple pattern design is attractive. I have a 40-inch chest and wear the large, fits perfect. If you are looking for a cool weather jersey the icebreaker should be at the top of your list.

      Responded on

      a quick edit from my earlier post I wear a medium not a large.


      Excellent for commuting/trekking

        I use mine for commuting. Very comfortable and no stink. Its a bit heavy for weekend centuries.

        It has 5 pockets: the 3 standard ones; a good sized zippered pocket for keys, money, USB drives, etc; and an MP3/phone pocket inside the left pocket that is big enough for an iPhone (with a wiring hole for your headset).


        Awesome jersey

          I've been running in light-midweight merino wool for the over a year now and am sold on it. It breaths great, can keep you warm on cooler days, and also doesn't get the perma-stink of synthetics. So when Icebreaker came out with this jersey it was a no-brainer and as always I wasn't let down. For a first run of a jersey, icebreaker nailed it. Great cut, not too tight, but not too loose, good style, grippers, nice pockets & zippered pocket, and overall great attention to detail. I bought a medium which is what I normally wear and it fits great.