Designed in Japan
Shop NowGreat sweat wicking fabric
"Great for running on a cold winter morning."
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$145.00
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$145.00
This item's price has been updated recently to ensure you get the best value.
Last priced at -
Our versatile, go-anywhere shirt made from breathable 100% merino wool jersey, the 200 Oasis Long Sleeve Crewe is our best-selling base layer top.
Good for:


100% Merino Wool. Exclusive of decoration
Machine wash cold, gentle cycle. Wash with like colors. Do not use softener. Do not bleach. Do not tumble dry. Line dry in shade. Cool iron. Do not dry clean.
Model measurements
Height: 179cm / 5'10". Waist: 62cm / 24". Ludo is wearing size S.
Key product measurements
Back High Point Shoulder to Hem: 69.3cm based on size M
Fit
Slim
Overall rating: 4.8077755 / 5 from 926 reviews.
The Women's Merino 200 Oasis Long Sleeve Crewe Thermal Top is highly regarded for its versatile layering capability, excellent quality, and comfortable weight. Customers appreciate its stylish appearance and perfect fit, making it a popular choice for various activities. The softness and durability of the fabric are also highlighted in customer reviews.
Review topics: ["size","fit","weight","problem","fabric","material","quality","colour","feel","performance","delivery","length","design","looks","comfort","service","movement","wear","top","set","layer","sleeves","neck","works","warmth","style","shape","pants","weather","winter"].
"Great for running on a cold winter morning."
— Julia (5/5)
"The weight and fit are great. I bought a small instead of an xs this time as I wanted to wear it more like a shirt, so not skin tight ( 5' 100 lbs). BUT, the Natural color of the actual shirt is much yellower than in the photo. I know it's natural undyed wool, but the photo made it look more like off-white and it really isn't. Just so you know."
— Patricia E. (4/5)
"Love the light beige colour, wear underneath any colour of sweater makes more stylish feeling."
— AquaY (5/5)
"Nice warm top & glad I sized up. I’m a size 8 small but ordered a medium."
— Catz5 (5/5)
"I am happy with this base layer. I would buy more if there were other colors I liked. Only complaint, is that the sizing varies between colors. I bought two different colors in the same size, and the "Java" one was about 1" wider in the body and had longer sleeves than the other one. it felt like a size larger. the "Java" color name is also misleading. It is not brown like the name would suggest, but it is more of an eggplant purple. it would be great if sizing was consistent and garment measurements were listed on the website."
— Irene (4/5)
"I love the rust color and the feel and comfort of the top. It does run very small. I’m 52 and about 108-111 pounds. I have the small and it fits perfect perfectly. The sleeves are a little short. I’m going to have to be very careful washing it."
— Heidi S. (5/5)
"Great mid layer as well as stand alone top. I wear it hiking, out to dinner, around the house. I have many colors. Worth the money and super comfy."
— Lorie R. (5/5)
"Love the colour, fit and material. Design simple but not special"
— Sue T. (4/5)
"This adds much warmth and the color adds vibrancy to my wardrobe. I wear these icebreaker items under sweaters or stand alone practically daily through the winter months."
— Patricia F. (5/5)
"This is my 3rd shirt in this style. They are long lasting and great for travel and every day wear. When I find a new color I like, I don't hesitate to buy."
— Maria S. (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 | |
|---|---|---|---|---|---|---|
| Bust | 30-32 | 32-34 | 34-37 | 37-40 | 40-42 | 42-45 |
| Arm length | 30 | 30.25 | 30.5 | 30.75-31 | 31-31.25 | 31.25-31.5 |
| Waist | 24-26 | 26-28 | 28-30 | 30-33 | 33-36 | 36-39 |
| Hips | 33-35.5 | 35.5-38 | 38-40 | 40-42.5 | 42.5-45 | 45-48.5 |
| XS | S | M | L | XL | XXL | |
|---|---|---|---|---|---|---|
| Bust | 76-82 | 82-88 | 88-94 | 94-100 | 100-107 | 107-116.5 |
| Arm length | 76-76.5 | 76.5-77 | 77-77.5 | 78-78.5 | 78.5-79 | 79-79.5 |
| Waist | 61-66 | 66-71 | 71-77 | 77-84 | 84-91 | 91-101 |
| Hips | 84-90 | 90-96 | 96-102 | 102-108 | 108-114 | 114-123 |
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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