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200 MerinoFine Ace Long-Sleeve 1/2-Zip - Men's
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Midweight merino base layer built for changing effort
The Icebreaker 200 MerinoFine Ace Long-Sleeve Half Zip is a midweight merino base layer built for cold days with changing effort, from a slow approach to a harder push uphill. Its 17.5-micron MerinoFine fiber is spun using Icebreaker's OTW Omega Twist process, a spinning method that pulls moisture away from skin faster than a standard merino weave so the layer dries quickly instead of holding dampness against the body.
What Our Gearhead® Experts Are Saying:
"I drop the half zip the second my effort picks up on a climb, and the fabric catches up fast instead of staying damp. The gusset and thumb slits mean I never have to stop and adjust anything else."
Details
- Midweight merino half zip for hiking and snow sports
- OTW Omega Twist spinning dries fabric quickly during effort
- Half-zip design vents heat as intensity changes
- Forward-set seams reduce friction at the shoulders and sides
- Gusset adds mobility, thumb slits keep sleeves in place
- Flatlock seams reduce friction under other layers
- Item #ICEZ78I
- Material
- 100% merino wool
- Insulation Weight
- midweight
- Fit
- regular
- Style
- half zip, midweight base layer
- Hood
- none
- Thumbholes
- yes
- Anti-Odor
- naturally odor-resistant
- Claimed Weight
- [M] 8.11oz (230g)
- Activity
- casual, hiking, skiing, snowboarding
- Manufacturer Warranty
- 1 year
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Frequently Asked Questions
How should I choose a size in the Icebreaker 200 MerinoFine Ace 1/2-Zip?
This is the men’s version, with a trim base-layer profile. Compare your chest, waist, and sleeve measurements with the product page’s size chart, aiming for a close fit that still allows comfortable movement.When is the Icebreaker 200 MerinoFine Ace Long-Sleeve best to wear?
Its midweight merino construction suits cool-to-cold hikes, snow sports, and low- to moderate-intensity training. It may feel too warm for high-output efforts in mild conditions, where a lighter base layer is a better choice.How does this Icebreaker half-zip compare with a lighter base layer?
The 200 MerinoFine Ace is a warmer midweight option for cooler conditions, while a lighter base layer is better suited to warm weather or harder efforts. The half-zip also lets you release heat as activity levels change.How should I layer the Icebreaker 200 MerinoFine Ace for hiking or snowboarding?
Wear it next to skin beneath a fleece or shell, leaving enough room for the layers to move without bunching under a pack or jacket. Open the half-zip to vent during climbs or high-output sections, and add a shell for exposed or wet conditions.How should I care for the Icebreaker 200 MerinoFine Ace?
Machine-wash it cold on a gentle cycle with like colors, and skip bleach and fabric softener. Line-dry it in the shade; store it clean and fully dry.