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🧥 Elevate your base layer game — warmth, comfort, and freshness that never quits!
The Merino.tech Merino Wool Base Layer Men Set offers premium 100% superfine Merino wool in lightweight, midweight (250 g/m²), and heavyweight options, designed for superior thermal regulation, moisture management, and odor resistance. This midweight set includes a top, long johns, and a bonus pair of Merino wool hiking socks ($21 value), making it the ultimate layering solution for year-round comfort and performance. Engineered for a slim, true-to-size fit with easy care instructions, it’s perfect for professionals and outdoor enthusiasts who demand both style and function.





































| ASIN | B09C4WYPYP |
| ASIN | B09KDD1Y69 |
| Age Range Description | Adult |
| Apparel Fabric Stretch | No Stretch |
| Apparel Fabric Weight Class | Medium Weight |
| Best Sellers Rank | 20,972 in Fashion ( See Top 100 in Fashion ) 19 in Men's Thermal Sets |
| Brand Name | Merino.tech |
| Closure Type | Pull On |
| Colour | .250 Black Set |
| Customer Reviews | 4.6 4.6 out of 5 stars (3,151) |
| Customer reviews | 4.6 4.6 out of 5 stars (3,151) |
| Date First Available | 1 Nov. 2021 |
| Department | Men's |
| Fabric Type | 100% Wool |
| Fit Type | Slim |
| Fit to Size Sentiment | True |
| Garment Size Country | Great Britain |
| Item Type Name | Base Layer Set |
| Manufacturer | Merino.tech |
| Manufacturer | Merino.tech |
| Manufacturer Part Number | Merino.tech |
| Material Type | Wool |
| Model Number | 735 |
| Neck Style | Crew Neck |
| Number of Items | 3 |
| Pattern | Solid |
| Product Care Instructions | Machine Wash |
| Season and Collection Year | base layer |
| Size | S |
| Sleeve Length Description | Long Sleeve |
| Sleeve Type | Long Sleeve |
| Style Name | 250gsm Midweight |
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.
P**R
Great set, warm, dry and comfy.
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 :)
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.
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!!
A**R
Sizing is right on.
A heavy duty merino wool base layer set. Bought for a trip inside the arctic circle in January. Arrived on time. Sizing is right on. Can’t comment on durability yet. The free socks were a bonus, but delicate and already have a small hole. So far, I would buy again from the seller.
C**C
Perfect quality base layers
This is second weight warmth and will be wonderful protection in the winter temperatures. These base layers retain body heat and are perfect. No more freezing in the winter. Allied with Merino socks and beanie I am well insulated and don’t need very heavy outer clothes. Will buy these base layers again.
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.
G**.
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.
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!
M**A
I don’t usually write reviews, and have been mostly unimpressed with how it seems like Amazon is slowly transitioning to Alibaba i.e. many “companies” creating products of questionable quality HOWEVER This Merino base layer is P E R F E C T. Absolutely warm and comfortable. Great thickness and weight. Looks super good and smelled absolutely fresh using it three days in a row skiing. It’s expensive but worth it. Wish I could buy four more pairs. Really is an outstanding product. Hopefully it holds up over the years.
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.
C**M
Excellent quality and generous offer (comes with the leggings, top, and socks as a gift).
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