Designed in Japan
Shop NowTight Neck.
"I bought these for my husband. He has other icebreaker tshirts that he likes. He said the neck opening on these felt tight and uncomfortable."
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$140.00
This item's price has been updated recently to ensure you get the best value.
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$140.00
This item's price has been updated recently to ensure you get the best value.
Last priced at -
A lightweight, go-anywhere performance tee in a shorter length and closer-fitting design. Constructed with movement in mind and designed for high-intensity movement using OTW® Omega Twist Spinning Technology, the 150 MerinoFine™ Ace Short Sleeve Tee regulates body temperature and resists odours thanks to its 100% ultrafine merino wool fabric.
Good for:
100% merino wool, exclusive of decoration
Machine wash cold. Wash with like colors. Do not use softener. Do not bleach. Do not tumble dry. Line dry in shade. Cool iron. Do not dryclean.
Model measurements
Height: 186cm / 6'1". Waist: 81cm / 31". Vlad is wearing size M.
Key product measurements
Back High Point Shoulder to Hem: 69cm (Based on size M)
Fit
Slim
Overall rating: 4.48 / 5 from 25 reviews.
Review topics: ["fit","size","fabric","colour","wear","comfort","shirt","buy","wool"].
"I bought these for my husband. He has other icebreaker tshirts that he likes. He said the neck opening on these felt tight and uncomfortable."
— Snowshoe H. (2/5)
"Perfect summer-to-fall shirt. Great fit and incredibly comfortable fabric. Definitely need to grab another one!"
— Nicholas D. (5/5)
"One of my favorite merino T-Shirts from Icebreaker. It has a great fit and never smells."
— KEMPER I. (5/5)
"Both products have been great"
— Natalie M. (5/5)
"Great fit and comfort."
— Michael M. (5/5)
"Bought 2 of them for summer hiking/mtn biking. Have used Icebreaker shirts for years for baselayers or summer active wear, always before they were stable size, wash and dry no problem. Not these, went from a trim large to very snug medium in one washing!"
— Mikey (2/5)
"I'm shifting all my running gear to natural fibres and this is now my go-to for running. The lighter colour shows up sweat more than my older plastic running clothes but that's a small price to pay for 100% merino in a tee that works perfectly for long runs. The biggest concern is the sizing. It's a ""slim fit"" and they shrink after the first wash and so I had to size up to a M. I'm always a small (177cm, 36in chest, slim build, runner) but this is the only t-shirt that I've had to buy a medium in."
— San (5/5)
"The softer fabric is tangible to feel vs. other 100% 150 merino tees. The grey carries a blue hue. The fit is slightly tighter than regular tees. It is still comfortable to wear with the size I buy from Icebreaker."
— KS (5/5)
"Really nice shirt, great for workouts and just wearing around"
— Sw (5/5)
"This is the best T shirt. Very soft, comfortable, temperature regulating. I would recommend this shirt to anyone and will undoubtedly be getting more for myself in the future."
— Tom (5/5)
Find the size that fits you best based on people just like you.

Use the chart below to determine your size. If you’re between two sizes, order the smaller size for a tighter fit or the larger size for a looser fit. If your measurements for chest and waist correspond to two different sizes, order the size indicated by your chest measurement for tops and your hip measurement for pants.
| XS | S | M | L | XL | XXL | XXXL | |
|---|---|---|---|---|---|---|---|
| Neck | 12-13 | 13-14 | 14-15 | 15-16 | 16-17 | 17-18 | 18-19 |
| Chest | 33-35 | 35-37 | 37-40 | 40-43 | 43-46.5 | 46.5-49.5 | 49.5-52 |
| Arm length | 33.5 | 33.5-34 | 34 | 34-34.5 | 34.5 | 34.5-35 | 35-35.5 |
| XS | S | M | L | XL | XXL | XXXL | |
|---|---|---|---|---|---|---|---|
| Neck | 32-34 | 34-36 | 36-38 | 38-41 | 41-43 | 43-46 | 46-49 |
| Chest | 84-89 | 89-94 | 94-102 | 102-110 | 110-118 | 118-126 | 126-134 |
|
Arm length |
85-85.5 | 85.5-86 | 86-86.5 | 86.5-87 | 87-88 | 88-89 | 89-90 |
Our three different fits - slim, regular, and relaxed - ensure that when worn together, layers move and breathe like a single garment.



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