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The Merino.tech Men’s Thermal Underwear Set features a midweight 250 g/m² superfine Merino wool fabric that naturally regulates temperature, wicks moisture, and resists odor. This premium base layer includes a long-sleeve top, long johns, and a free pair of hiking socks valued at $21. Designed for all-season wear, it offers itch-free comfort with a slim fit ideal for layering. Machine washable and backed by a lifetime warranty, it’s perfect for professionals and outdoor enthusiasts seeking reliable, stylish thermal wear.




| ASIN | B09C4WYPYP |
| ASIN | B09KCFJZ33 |
| Age Range Description | Adult |
| Apparel Closure Type | Pull On |
| Apparel Fabric Stretch | Low Stretch |
| Apparel Fabric Weight Class | Medium Weight |
| Best Sellers Rank | #23,115 in Fashion ( See Top 100 in Fashion ) #23 in Men's Thermal Underwear Sets |
| Brand Name | Merino.tech |
| Collection Name | All |
| Color | 250 Black Set |
| Customer Reviews | 4.6 4.6 out of 5 stars (3,158) |
| Customer reviews | 4.6 4.6 out of 5 stars (3,158) |
| Date First Available | 26 October 2021 |
| Department | mens |
| Fabric Type | Cotton |
| Fit Type | Slim |
| Fit to Size Sentiment | True |
| Garment Size Country | United Arab Emirates |
| Item Type Name | Base Layer Set |
| Item model number | 735 |
| Manufacturer | Merino.tech |
| Manufacturer Part Number | Merino.tech |
| Material Type | Wool |
| Neck Style | Crew Neck |
| Number of Items | 3 |
| Pattern | Solid |
| Product Care Instructions | Wash on Delicate Cycle |
| Size | S |
| Sleeve Length Description | Long Sleeve |
| Sleeve Type | Long Sleeve |
| Style Name | Classic |
| Style Number | 735 |
| Unit Count | 3 Count |
C**M
Excellent quality
Excellent quality and generous offer (comes with the leggings, top, and socks as a gift).
A**D
من أفضل المنتجات الصوفية، التي قمت باستخدامها تقي من البرد الشديد في أبرد الأوقات
S**N
I’m quite impressed with this! Very soft and I really like certain accents like the way that the cuffs on the pants and the sleeves taper down to retain some heat better but to fit well either way gloves/boots, to make sure it isn’t in your way, just draped very nicely. The fit is snug, but not tight or restricting at all, and the merino socks are very nice. I’d say overall this isn’t the softest merino wool I’ve ever felt, other luxury dress brand fabrics are softer, but not they aren’t trying to do what this is trying to do, I’m comparing fashion to this technical, earth focused, based layer. And I think it’s soft enough for continued use without any irritation. I cut all the tags off and have gone on two 1.5 hour winter hikes in Canada and have been super comfortable. So far no odour, been great, and I even am enjoying wearing then around the house. Great buy especially for the money!
A**W
As an outdoor enthusiast who demands the utmost from my gear, the Merino.tech Merino Wool Base Layer Men's Set has truly impressed me with its unparalleled comfort, performance, and versatility. First and foremost, the quality of the Merino wool used in this base layer set is outstanding. The fabric is exceptionally soft against the skin, providing a level of comfort that surpasses traditional base layers. What sets Merino wool apart is its natural temperature-regulating properties, keeping me warm in chilly conditions and cool when the temperature rises – a crucial factor during dynamic outdoor activities. The fit of the base layer set is impeccable. The tailored design ensures a snug yet non-restrictive fit, allowing for a full range of motion during various activities. Whether I'm hiking, skiing, or simply enjoying a brisk walk, this set adapts effortlessly to my movements, providing the perfect foundation for layering. Moisture management is where this base layer truly shines. The Merino wool wicks away sweat and moisture from the body, keeping me dry and comfortable throughout my adventures. Even during intense activities, I never feel clammy or uncomfortable – a testament to the superior breathability of Merino wool. I appreciate the thoughtful details in the design, such as flatlock seams that prevent chafing and a tagless label for added comfort. The durability of the fabric is evident, as the set has held up exceptionally well to repeated wear and wash cycles, maintaining its shape and performance. The versatility of this base layer set is another standout feature. Whether worn as a standalone layer in milder conditions or as a foundation for a more comprehensive layering system in colder weather, the Merino.tech Merino Wool Base Layer Men's Set adapts seamlessly to diverse environments. In conclusion, if you're in search of a base layer set that combines comfort, performance, and versatility, look no further. The Merino.tech Merino Wool Base Layer Men's Set has become my go-to choice for all my outdoor pursuits, and I wholeheartedly recommend it to fellow adventurers seeking the best in quality and functionality. A five-star investment in comfort and performance!
M**N
Ich nutze das Merino Tech 320 g Set jetzt seit etwa einem Monat täglich für meine Abendläufe. Da es aktuell oft bis zu -6 Grad sind, war der Kauf absolut notwendig. Man merkt sofort, dass es sich um ein schwereres Material handelt, das sich aber extrem weich auf der Haut anfühlt. Nach dem Einlaufen spüre ich die Kälte überhaupt nicht mehr, man kommt sogar eher leicht ins Schwitzen. Mir war besonders wichtig, dass es sich um 100 % Merinowolle handelt und kein Polyester beigemischt wurde. Das zahlt sich aus: Selbst nach dem Sport riecht das Set völlig neutral und nimmt keinen Schweißgeruch an. Ein netter Bonus war, dass dem Paket noch ein Paar kostenlose Merinosocken als Geschenk beilagen. Einziger Minuspunkt: Trotz des hohen Preises treten im Schrittbereich durch die Reibung beim Laufen ziemlich viele Fusseln auf. Das hatte ich in dem Preissegment eigentlich nicht erwartet. Ansonsten ist es aber ein sehr hochwertiges, wenn auch teures Produkt, das sich für echte Winterläufer definitiv lohnt.
P**R
I have two of those in 250 and 320 grade and different shades of blue, so extremely happy to please my OCDs :D Really good fit - both in M fit me well with some room to spare, and I'm usually between S and M in common brands. Had them on on several hikes of various strain and length, and can't fault so far. Keeps me warm, dry and absorbs next to none of body or antiperspirant odour. Perfect buy for layering and honestly the top looks good on it's own if you really need to shed layers. So far they seem to be surviving washing without issues (wool liquids, wool mode, two spin cycles, dry flat on a towel on a rack) so fingers crossed for durability that it holds for a long while. In case you wonder, yes there is actually a weight difference between the grades :D If I recall right there was around 400g difference from 250 to 320 set when I weighted it. I might get one more set just in case for spares if it comes on a good discount :)
N**A
Loose and generally not what i expected but it is what it is
Trustpilot
2 weeks ago
1 month ago