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Men's Merino Button‑Up
Men's Merino Button‑Up
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Free delivery on all UK orders
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Odor resistant
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Fast drying
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4-way stretch
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Anti-wrinkle
- Model is 6'1", has a 37" chest and is wearing size M
- Classic fit - Not too loose, not too snug — just straight cut through the chest and waist. Expect complete ease of movement and an everyday, modern fit.
- Product dimensions - See Measurements
- 60% Merino, 40% polyester, Pique Jersey
- 165gsm
- A soft, stylish and comfortable button up you’ll want to wear every day.
- Resists wrinkles so it is perfect for packing and always looks sharp.
- Casual and versatile style with no flashy logos.
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Fiber micron: Fine 18.9
- Machine wash cold gentle
- Do not bleach
- Tumble dry in low temperature
- Iron in low temperature
- Line dry
- Do not dry clean


Men's Button-Up Pack Builder
in
cm
Body Measurements |
S | M | L | XL | XXL |
---|---|---|---|---|---|
Neck | 14-14.535.5-37 | 15-15.538-39.25 | 16-16.540.5-42 | 17-17.543-44.5 | 18-18.545.75-47 |
Chest | 37-3894-96.5 | 39-4099-101.5 | 41-42104-106.5 | 43-44109-112 | 45-46114.5-117 |
Waist | 29-3073.5-76 | 31-3279-81 | 33-3484-86.5 | 35-3689-91.5 | 37-3894-96.5 |
Arm Length | 32-3381-84 | 33-3484-86.5 | 34-3586.5-89 | 35-3689-91.5 | 36-3791.5-94 |
Garment measurements | S | M | L | XL | XXL |
---|---|---|---|---|---|
Body Length | 2871 | 28.572.5 | 29.575 | 30.577.5 | 31.580 |
Chest Width | 2050.75 | 2153.25 | 2256 | 2358.5 | 2461 |
Sleeve Length | 32.582.5 | 33.585 | 34.587.5 | 35.590 | 36.592.75 |
Neck Circumference | 16.7542.5 | 17.2543.75 | 17.7545 | 18.2546.25 | 18.7547.5 |
Measuring guide
Garment
To ensure you choose the right size, find an article of clothing that fits you well, lay it on a flat surface and measure the following points to compare.
Garment
To ensure you choose the right size, find an article of clothing that fits you well, lay it on a flat surface and measure the following points to compare.
1 Body length
Measure from high shoulder point to bottom hem edge.
2 Chest Width
Measure 1" below armpits, edge to edge.
3 Sleeve Length
Measure from centre back neck to shoulder seam to sleeve hem edge.
United Kingdom |
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DHL Direct Parcel - 1 to 2 weeks - $11.54 International Delivery - 2 to 4 weeks - FREE
Please note that international customers (outside of Canada and the United States) may be subject to taxes or duties upon delivery.
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International |
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USAFree Priority Delivery- 7 to 9 business days - FREE
CanadaStandard Delivery- 5 to 7 business days - FREE
Europe Zone 1Germany, Belgium, Croatia, Denmark, Estonia, Finland, France, Hungary, Ireland, Latvia, Luxembourg, Netherlands, Spain, Sweden, Switzerland, Poland, Portugal, Bulgaria, Greece, Italy, Malta, Austria, Cyprus
Europe Zone 2Iceland, Lithuania, Norway, Romania, Slovakia, Slovenia, Czechia, Gibraltar DHL Parcel Priority - 1 to 3 weeks - $16.45 International Delivery ($200 and up) - 2 to 3 weeks - FREE
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Australia, New ZealandDHL Direct Parcel - 1 to 2 weeks - $17.42
Japan, Hong Kong SAR, South KoreaDHL Parcel Priority - 1 to 3 weeks - $21.74
Malaysia, SingaporeDHL Parcel Priority - 1 to 3 weeks - $16.33
RussiaInternational Delivery - 3-6 weeks - $35
Rest of worldDHL Express Worldwide - 4-7 days - Calculated at checkout |
RETURNS & EXCHANGES
We make it easy for you to try — and fall in love with — Unbound Merino.
If for any reason a piece is not right for you (or you need a different size), send it back for free. It’s simple: just use our complimentary return delivery and prepaid labels to get it back to us fast.
You can return or exchange clothing purchased directly from unboundmerino.co.uk as long as it is unworn, unwashed, and in the original condition in which it was delivered. UK and international customers are responsible for return shipping costs, but a full refund will still be issued once the item is received and approved. We are happy to offer a full refund or exchange for any reason within 90 days from the delivery date.
Please note that exchanges are subject to availability, and a refund will be processed if the product you requested is unavailable. All socks and underwear purchases are final sale and cannot be returned or exchanged for sanitary reasons. Delivery costs on the original order (including duties and taxes) are not refundable. Refunds are issued to the original payment method on the order, which may include gift cards if one was used.
Visit returns.unboundmerino.com to begin your return or exchange.
Once you start a return or exchange, please note you have 28 days to deliver the item back to us before the request expires. For orders delivered to the UK, we are unable to provide prepaid return labels at this time.
If you have any further questions, please contact us at help@unboundmerino.com
The Softness of Merino, Measured in Microns
The quality of Merino wool is defined by fiber diameter, measured in microns, where smaller means softer.
Unlike many Merino brands, we focus on finer Merino wool, prioritizing the softest, most refined fibers to create an experience of comfort that lasts.

Perfect Fit. Merino Performance.
- Lightweight-meets-compact construction perfect for easy packing.
- Feels silky soft and luxurious against your skin.
- Wrinkle resistant so you’ll always look sharp on the go.
- Casual and versatile style with no flashy logos.
- Dries fast, keeping you comfortable.
As featured in
Nature’s Miracle Fabric
Every Merino wool fiber has a waxy coating called Lanolin, which helps wick moisture away from your body and acts as a safeguard against odor-causing bacteria. This is what allows our Merino to stay breathable and dry while smelling and feeling fresh, no matter what you put it through.
Anti-odor
Fast Drying
Wicks Moisture
Wrinkle Resistant

Nature’s Miracle Fabric
Anti-odor
Fast Drying
Wicks Moisture
Wrinkle Resistant

Softer Than Cotton
This wool isn’t like your typical itchy sweater. We only use superfine (18.9 micron) Merino wool, resulting in a luxuriously silky soft feel that’s lighter and more plush than your average Merino or cotton. And unlike most clothes, it'll also maintain its form over time and won’t get ruined after a wash.


NATURAL AIRFLOW
With Merino wool, body heat can pass through the space between its superfine, woven fibers, regulating your body temperature while keeping you cool and comfortable.
Ready-to-Go Wrinkle Resistance
A Merino wool fiber resembles a tight coiled spring, also called a crimp. Pull it and it will recoil back into shape every single time, meaning you’ll never need to iron this piece.



EASY CARE
You won’t have to wash this item much at all. However, when it comes time for a refresh, simply add it to your load on a cold, gentle setting, then line dry or tumble dry on a low temperature.
ABOUT OUR WOOL
- Sustainably sourced from independent, cruelty-free wool farms.
- Woolmark® certified Merino wool means you can expect the highest standards related to fiber content, performance, color fastness, and dimensional stability.


Eric Stoen
Unbound Merino’s shirts are absolutely perfect for travel – good in every situation. They’ve simplified my packing so much that I’m now a carry-on traveler for the first time in my life!
Eric Stoen

Jonathan Goodman
Having an every day outfit I feel good in reduces cognitive fatigue and allows me to put all my focus on the people I love and the things I want to accomplish.
Jonathan Goodman

Eric J.
There was no way I could have possibly traveled as lightly as I did without my Unbound Merino gear. I still can’t believe that these clothes feel so good and really don’t smell after so many days worn consecutively. It’s just awesome.
Eric J.

James “Iron Cowboy” Lawrence
Unbound Merino performs as promised, and has totally simplified how I pack when I travel the world. The shirts are AWESOME and the underwear feels like having your balls cradled by the hands of angels.
James “Iron Cowboy” Lawrence

Ken S.
I’ve worn one Unbound Merino T-shirt for most of the 18 days I’ve been traveling through Hong Kong and Thailand. Super impressed that this shirt does as promised, it doesn’t smell at all despite no washing.
Ken S.

Perfect for Travel
YOU’LL PACK LIGHTER
With clothing that doesn’t smell after every use, you can pack less, allowing you to ditch the suitcase and travel with just a small backpack.
YOU’LL SAVE MONEY
These days, most airlines are going to charge you for anything other than a carry-on. Start packing lighter and doing less laundry, and save your money for the real experiences.
YOU’LL SAVE TIME
Never check luggage or worry about airports losing your stuff. With fewer but better clothes you’ll blaze through airports like a seasoned pro.
What People Are Saying
Be The First To Review
Your thoughts are important to us to keep improving our products
- JTJennifer T.Verified BuyerI recommend this productRated 5 out of 5 stars6/8/25Absolutely fabulous
Unbound Merino is the only place where we buy our merino gear. The button down shirt is an absolute must have for my husband!
How did you find the fit?Rated 0.0 on a scale of minus 2 to 2Runs Small True To Size Runs BigWas this helpful? - RFRobert F. A.Verified BuyerI recommend this productRated 4 out of 5 stars5/15/25Skeptical at first
I deliberately wore my shirt and pants for two straight weeks and they looked like I was wearing them for the first time.
How did you find the fit?Rated 0.0 on a scale of minus 2 to 2Runs Small True To Size Runs BigWas this helpful? - SJSteven J.Verified BuyerI recommend this productRated 5 out of 5 stars5/10/25What a great button up!
The shirt is fantastic. Very comfortable and looks great.
How did you find the fit?Rated 0.0 on a scale of minus 2 to 2Runs Small True To Size Runs BigWas this helpful? - BKBrian K.Verified BuyerRated 3 out of 5 stars5/9/25Love the quality of the clothing, struggle with the fit of the shirts
Unbound Merino makes some exceptional clothes for travel. That said the fit of the shirts are a bit challenging. Specifically, the shirt tends to run a bit narrow through the shoulders for the size. For example I wear in mens 42R (US) in suits and jackets. For this shirt I had to size up to an XL to fit in the shoulders. This leaves it a bit too long in the sleeves and to large in the waist (I have a 34 inch sleeve, and a 32 inch waist).
How did you find the fit?Rated 0.0 on a scale of minus 2 to 2Runs Small True To Size Runs BigWas this helpful? - MPMary P.Verified BuyerI recommend this productRated 5 out of 5 stars5/3/25Very happy with this shirt
Having worn it a few times, sizing is pretty spot on, and finish is great. Has a weave pattern which I couldn’t see in the photos, but is still very pleasant. Overall quite happy, comfortable and will buy more products!
How did you find the fit?Rated 0.0 on a scale of minus 2 to 2Runs Small True To Size Runs BigWas this helpful?