Designed in Japan
Shop NowCould have been longer
"Love the material and color, unfortunately it is a bit shorter than my other IB long sleeves. . ."
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$130.00
This item's price has been updated recently to ensure you get the best value.
Last priced at -
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$130.00
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. Costructed with movement in mind and designed for high-intensity movement using OTW® Omega Twist Spinning Technology, the MerinoFine™ Ace Long Sleeve Tee naturally 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/26.9in (Based on size M)
Fit
Slim
Overall rating: 4.75 / 5 from 12 reviews.
Review topics: ["feel","fit","shirt","buy"].
"Love the material and color, unfortunately it is a bit shorter than my other IB long sleeves. . ."
— Michael (3/5)
"Confortable, chaud, respirant et parfait en multicouches"
— Fred (5/5)
"Everyday wear under a sweater. Very comfortable. Washed twice, retains its shape. Fits perfectly, length and arms. Got it because the neckline of Oasis base layers changed (too wide). I'd like to see a heavier version."
— Lbat (4/5)
"I am a 78 year old male and following a conversation with my Son, who has all suitable clothing for his hill walking and camping, I needed an under garment that would keep me warm and comfortable but not hot and sweaty. So I purchased two Merino 200 Oasis long sleeve tops and one 175g top All now keep me warm and comfortable. so don't turn the heating up, just buy some merino wool undergarments."
— Del (5/5)
"Great fit for me, warm and not bulky."
— Bilbo (5/5)
"Great for every day wear on its own or with a mid layer shirt or sweater super comfortable"
— Johnny (5/5)
"This is perfect as a base layer or mid layer item, it feels really comfortable and fits me well."
— Wingrider (5/5)
"I brought several new icebreaker items on a cold (40F) and windy (up to 50 mph gusts). The merino long sleeve shirt was a great start to a great layering system. And it dries overnight."
— Travel P. (5/5)
"I love the feel of this product. Feels luxurious on skin with finest merino fibres of only 15. 5 micron. Bought it for my partner and he loves it."
— YVR S. (5/5)
"I love this shirt and only wish it was still available. It's the perfect weight for autumn and the color is gorgeous."
— Clare (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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