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🧗♂️ Elevate your base layer game—comfort and performance that never quits!
This 100% superfine Merino wool midweight base layer set for men includes a long sleeve top, long johns, and premium Merino hiking socks. Designed for professional millennials who demand all-day comfort, odor resistance, and year-round temperature regulation, it offers a perfect blend of softness, durability, and easy care. Ideal for layering under workwear or outdoor gear, this set delivers premium thermal performance with a sleek, fitted style and a lifetime warranty.
























| ASIN | B09C4WYPYP |
| Age Range Description | Adult |
| Apparel Fabric Stretch | Medium Stretch |
| Apparel Fabric Weight Class | Medium Weight |
| Best Sellers Rank | 56,704 in Fashion ( See Top 100 in Fashion ) 24 in Men's Thermal Sets |
| Brand Name | Merino.tech |
| Care instructions | Machine Wash (Delicate Cycle), Hand Wash Recommended |
| Closure Type | Pull On |
| Colour | .250 Black Set |
| Country Of Origin | China |
| Country of origin | China |
| Customer Reviews | 4.6 out of 5 stars 996 Reviews |
| Fabric Type | 100% Wool |
| Fit Type | Regular |
| Fit to Size Sentiment | Fits True To Size |
| Garment Size Country | United States |
| Import Designation | Imported |
| Item Type Name | Base Layer Set |
| Manufacturer | Merino.tech |
| Manufacturer Part Number | MST-250 |
| Material Type | Wool |
| Material composition | 100% Wool |
| Model Number | MST-250 |
| Neck Style | Crew Neck |
| Number of Items | 1 |
| Pattern | Solid |
| Product Care Instructions | Machine Wash (Delicate Cycle), Hand Wash Recommended |
| Season and Collection Year | All |
| Size | S |
| Sleeve Length Description | Long Sleeve |
| Sleeve Type | Long Sleeve |
| Style Name | Modern/Fitted |
| item-package-quantity | 1 |
P**M
Feeling dry in wet - a high quality base layer
If you never tried merino base layer, you may not know what you are missing! The theory is that when wool is worn directly on the skin with cotton as the second layer, then the moisture migrates into the cotton layer straight through the wool making you feel dry and warm. It is a kind of feeling dry while wet effect. Merino wool is thin and gentle, does not bite, and stays odour-free for long. It is much thinner than usual sweaters and can be worn under a regular size shirt or jeans. This garment is true to size, and is stretchable horizontally, so it is likely to fit well. Its overall quality is quite good. I wore it during the recent blizzard, and it felt nice. The top looks good on its own and can be worn as the only layer for exercise, but they sell merino T-shirts for this. The fabric is not strong enough for wearing a backpack directly over it. It is a gentle fabric, so try to not stain it with eggs, fat, etc., because it can't tolerate strong detergents. Wool also dislikes bleach, high alkalinity substances, hot water (causes shrinking) and rubbing (causes felting). I usually minimise use of detergents, because wool is made of protein covered with fat (lanoline), and you may not want to de-grease that fat. So, just dip it in lukewarm water (25C), possibly with a small amount of wool detergent, or shampoo, or nothing, swish it a bit by hand, and then lay out flat to dry on a large towel. In a couple of hours hang it out, but not on a heater. It dries fast, quicker than cotton. Wool does not contain carbohydrates, like cellulose in cotton, which feed smelly bacteria. Healthy human sweat is composed of water-soluble compounds with added anti-bacterial substances, so washing wool is easy. I am using a merino T-shirt for in-doors exercise as well, but it is a different story.
W**R
Merino tech
Bought 2 of these. Followed the sizing guide. They don’t seem true to size. . When put on you could feel the cold. As if the material was been overstretched and opening the fabric up to let the cold draughty air in. So Returned these. And went up a size. Then Bought large, the next size up and now they are super comfy and warm, really love them. And they look good, and hug the body nicely looking to buy another one if they come down in the January sales
T**V
Good value
Well made using good material, certainly as good as my other more expensive Merino wool base layer. Ordered large and it fits nicely and feels comfortable when hiking or working.
M**E
Very comgortable and great quality
Forget the price these items are superb. Comfortable warm and if you get too warm, appear very quick to begin cooling. I went with a slightly larger size and now have two pairs for when one is in the wash. Great product, well made, and impressive. I have two!!
P**O
Warm with perfect fit
Have this for year now and used it extensively! They are durable and warm. Highly recommended! Excellent value for money.
L**S
Warm and comfortable.
Seems to be a good quality product. Worn them for a week and they wash well. Also seem to be effective.
S**.
Very good product!
I bought the Merino Tech baselayer for a winter sailing delivery trip from Lorient in France to Gosport in the UK. It's typical winter weather in the Channel, and I am happy I bought this baselayer. It kept me warm, and it was easy to wash afterwards. I purchased the large size, which fitted well. I'm 6' and 80 kg. It is a good quality product, and I recommend it to anybody doing outside activities.
A**R
Well made product!
Well made, and absolutely essential for an Iceland trek!
G**.
Caldo e confortevole, ottimo per freddo vero; attenzione alle taglie
Completo termico in lana merino pensato per tenere caldo: ottimo isolamento e buona gestione dell’umidità, ideale per inverno e attività all’aperto. Punti da controllare: vestibilità e taglia (meglio guardare bene la tabella), e lavaggio (seguire istruzioni per non infeltrire). Se la pelle è molto sensibile, la merino di solito è ok, ma può variare da persona a persona. In generale buon rapporto comfort/calore.
G**L
mejor de lo esperado
Increíble protección, resistente a humedad y no guarda olores , algunos sitios en internet recomendaban adquirir productos con un porcentaje de material sintético para evitar los olores, sin embargo este producto, 100% merino ha funcionado a la perfección para mantenerme cómodo y protegido del frío. He estado por una hora en un bote en el ártico (tour para ver ballenas) con rachas de viento que han bajado por instantes el termómetro a -30 y sin notar frío, eso sí, con sistema de capas y la opción de 320g, con la de 250 he notado claramente la diferencia, y supongo que sería la ideal para actividades en la nieve, o caminatas por ciudades moderadamente nevadas.
N**A
Not good not bad
Loose and generally not what i expected but it is what it is
P**X
Worth the money, long lasting, will keep you warm; Great base layer
These base layers have kept me warm over several winters now. Last winter, I wore them all the time. I took them to Finland, and they helped keep me warm there. They feel good against the skin. The pants have a couple of little holes in them, but they don't seem to be fraying. Great value, fits great.
C**.
Buon prodotto soldi ben spesi.
Devo dire che volevo acquistare un set tecnico termico per lo snowboard Heavy wight, poi son cascato in questo che essendo in lana merino la sua versione medium avrebbe scaldato anche di più. Ho un cattivissimo rapporto con la lana poiché mi pizzica sempre un sacco, questa invece subito al tatto si è percepita di un trattamento incredibile da parte dell’azienda. All’inizio ha pizzicato leggermente dopo di che il corpo scarica e ci si abitua non so come funziona, ma anche sudando dentro non ha pizzicato nei giorni successivi. Quindi ottimo prodotto. Unica pecca il calzino è trattato meno quindi a me personalmente pizzica quindi lo uso con una calza da sotto più leggera.
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