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The midweight Icebreaker Men's GT 260 Quantum Long-Sleeve Zip Top keeps you warm under your shell without making you sweat. Vented underarms, a front zip, and super-breathable merino wool let your body regulate its core temperature to keep you comfortable and performing at the top of your game.

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Here's what others have to say...


Perfect mid-layer for mild weather ice climbing

    So what I like about this:

    - Thumb loops
    - Fit
    - Feeling of the material against the skin

    I use this as a mid-layer for mild weather ice climbing and hiking (say 0 to -5 celsius). I have a wicking, long-sleeve base layer underneath it and maybe a soft or hard shell over.

    Actually though I prefer the hooded version as icebreaker makes their hoods really form fitting (ie. can fit under a helmet). So although I gave it a 4, I would give the hooded version a 5.