---
product_id: 387675124
title: "100% Merino Wool Base Layer Men Set - Thermal Underwear for Men Long Johns"
brand: "merino.tech"
price: "1732 kr"
currency: DKK
in_stock: true
reviews_count: 13
url: https://www.desertcart.dk/products/387675124-100-merino-wool-base-layer-men-set-thermal-underwear-men
store_origin: DK
region: Denmark
---

# Free $21 Merino wool hiking socks 250 g/m² midweight Merino wool Natural moisture-wicking & odor resistance 100% Merino Wool Base Layer Men Set - Thermal Underwear for Men Long Johns

**Brand:** merino.tech
**Price:** 1732 kr
**Availability:** ✅ In Stock

## Summary

> 🧥 Elevate your base game — warmth, comfort, and style in one sleek set!

## Quick Answers

- **What is this?** 100% Merino Wool Base Layer Men Set - Thermal Underwear for Men Long Johns by merino.tech
- **How much does it cost?** 1732 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/387675124-100-merino-wool-base-layer-men-set-thermal-underwear-men)

## Best For

- merino.tech enthusiasts

## Why This Product

- Trusted merino.tech brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Sleek, Slim Fit Design:** Modern cut fits true to size, layering seamlessly under your professional or outdoor gear.
- • **Midweight Thermal Power:** 250 g/m² fabric balances warmth and breathability for year-round use.
- • **All-Day Comfort, Zero Itch:** Superfine 17.5 micron Merino wool for soft, breathable wear without irritation.
- • **Bonus Hiking Socks Included:** Get premium Merino wool socks ($21 value) free with your base layer set—perfect for active lifestyles.
- • **Odor-Resistant & Moisture-Wicking:** Stay fresh and dry with natural wool fibers that outperform synthetics in moisture management.

## Overview

This 100% superfine Merino wool base layer set for men features a midweight 250 g/m² fabric that delivers optimal thermal regulation and breathability. Designed with a slim fit and crafted from 17.5 micron wool, it ensures all-day comfort without itchiness. The set includes a free pair of premium Merino wool hiking socks valued at $21, enhancing your outdoor performance. Naturally moisture-wicking and odor-resistant, this base layer is perfect for year-round wear and backed by the Merino.tech satisfaction promise.

## Description

Won't merino wool feel itchy? And what does 17.5 micron mean?
17.5 micron superfine merino fibers are finer than human hair — too fine to feel itchy, even on sensitive skin. Standard wool (25+ microns) causes irritation; this doesn't. OEKO-TEX certified, tested against 100+ harmful substances.
How do I wash and dry it to keep it looking new ? Will it shrink or lose shape?
Machine wash cold max 30°C, delicate cycle, inside out. Lay flat to dry — tumble drying permanently damages merino fibers. Store clean and dry; keep merino in sealed bags to prevent moths. Wear 3–5 days between washes — merino resists odor naturally
Which weight should I choose — 165, 250, or 320 g/m²?
165 g/m² — active pursuits, travel, spring/summer, 40–60°F. 250 g/m² — cold weather, most outdoor activities, 25–45°F. 320 g/m² — frost and low activity, 10–35°F, extreme conditions. Rule: the higher the activity level — the lighter the weight.
Where does the merino wool sourced from and is this product certified?
Our products are made from Australian merino wool, RWS certified — independent farm audit confirming animal welfare and land management standards. Every component tested against 100+ harmful substances under OEKO-TEX Standard 100.
Does it fit true to size?
Choose your regular size if you prefer slim fit. For more relaxed fit order size up
Merino Wool Top
Merino Wool Pants
Merino Wool Hoodie
Merino Wool T-Shirt Mens
Merino Wool Tank Top Men
Merino Wool Hiking Socks
Merino Wool Beanie

## Features

- Midweight: Mens Merino Base Layer Available in: Lightweight = 165 g/m², Midweight = 250 g/m², Heavyweight = 320 g/m². Free Merino Wool Hiking Socks ($21 Value) – Package includes Midweight Merino wool base layer mens top and wool men long johns 250 g/m² + Merino Wool Hiking Socks. Cool Packaging. Makes A Great Gift.
- Super Soft & Comfortable: 100% Superfine 17.5 Micron merino wool base layer set mens provides all day comfort and no itch! Merino wool long underwear men set was designed for daily wear without rubbing, overheating, or bunching of regular cotton.
- Moisture Wicking & Odor Resistant: Natural wicking and odor-resistant properties of merino wool thermal underwear allow it to absorb moisture better than any other fabric, keeping you dry and fresh.
- Breathable – For longer lasting wear, hand wash and lay flat to air dry. Mens wool long johns sets naturally regulate body temperature to keep you comfortable all year round.
- Zero Worries: Every we make merino wool base layer top mens and long johns are backed by our Merino.tech Promise - ensuring you're 100% happy with every Merino.tech purchase. For best results hand wash and lay flat to dry

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Asin | B0B68BHX2P |
| Best Sellers Rank | #1 in Men's Base Layers |
| Date First Available | July 11, 2022 |
| Department | mens |

## Images

![100% Merino Wool Base Layer Men Set - Thermal Underwear for Men Long Johns - Image 1](https://m.media-amazon.com/images/I/61ORF+kAOHL.jpg)
![100% Merino Wool Base Layer Men Set - Thermal Underwear for Men Long Johns - Image 2](https://m.media-amazon.com/images/I/71fdtg4knHL.jpg)
![100% Merino Wool Base Layer Men Set - Thermal Underwear for Men Long Johns - Image 3](https://m.media-amazon.com/images/I/91hsv1e+-wL.jpg)
![100% Merino Wool Base Layer Men Set - Thermal Underwear for Men Long Johns - Image 4](https://m.media-amazon.com/images/I/91IrtxFKN5L.jpg)
![100% Merino Wool Base Layer Men Set - Thermal Underwear for Men Long Johns - Image 5](https://m.media-amazon.com/images/I/81M385XwEQL.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Questions & Answers

**Q: Won't merino wool feel itchy? And what does 17.5 micron mean?**
A: 17.5 micron superfine merino fibers are finer than human hair — too fine to feel itchy, even on sensitive skin. Standard wool (25+ microns) causes irritation; this doesn't. OEKO-TEX certified, tested against 100+ harmful substances.

**Q: How do I wash and dry it to keep it looking new ? Will it shrink or lose shape?**
A: Machine wash cold max 30°C, delicate cycle, inside out. Lay flat to dry — tumble drying permanently damages merino fibers. Store clean and dry; keep merino in sealed bags to prevent moths. Wear 3–5 days between washes — merino resists odor naturally

**Q: Which weight should I choose — 165, 250, or 320 g/m²?**
A: 165 g/m² — active pursuits, travel, spring/summer, 40–60°F. 250 g/m² — cold weather, most outdoor activities, 25–45°F. 320 g/m² — frost and low activity, 10–35°F, extreme conditions. Rule: the higher the activity level — the lighter the weight.

**Q: Where does the merino wool sourced from and is this product certified?**
A: Our products are made from Australian merino wool, RWS certified — independent farm audit confirming animal welfare and land management standards. Every component tested against 100+ harmful substances under OEKO-TEX Standard 100.

**Q: Does it fit true to size?**
A: Choose your regular size if you prefer slim fit. For more relaxed fit order size up

## Customer Reviews

### ⭐⭐⭐⭐⭐ My go-to long Johns
*by  on Reviewed in the United States September 13, 2026*

Excellent long Johns! These are cozy and warm. Snug and great fitting but breathable and moisture wicking. The merino wool is soft and not itchy. I think the mid weight is ideal for almost any outdoor activity as a base layer. Wear these hunting, hiking, skiing, ice fishing, under your waders, under snowmobile suit, under cover alls. If you live or work outdoors, these are for you. Well made. Great quality. Accurate sizing. Good value.

### ⭐⭐⭐⭐⭐ Even a Sasquatch would like these
*by  on Reviewed in the United States September 9, 2025*

Bought this as gift for my skeptical Salt of the Earth Hubs who was not aware yet of the true superiority that is merino. His face dropped and I had to put his chin back into place when he asked How Much. I was utterly unfazed and ignored his protest. I easily got past his merino gear green inexperience and told him to ‘just try them because these will change your life’ with a grin.To put it short and sweet: He proceeded to basically only take them off to wash over the next five months. His only comment, actually Using His Words: he wanted another set. This, so he always had some clean and multiple weights so he could regulate better and choose depending on the weather forecast for the day he’d be out. I noticed his old synthetics were crumpled in the bottom of his gear bags when he’d come home. The merino were always within reach on top, and gasp, folded! High Praise from this man, folks.It should be stated he is THE case for the legitimacy of merino, and these extremely well priced merino sets: he is a heavy equipment operator that works outside on top of mountains in some of the most extreme winter environments on earth and loves it. For you, the reader’s purpose, let’s just agree to put aside the elephant-in-the-room Crazy Factor of that last sentence for now and stick to the underwear. All I can say in his defense is this world takes all types. That’s only important here to mention since he’s not a dude that sits around in it next to a cozy fire all winter sipping from a tea cup. (That’s my job, lol.) This set was put to a legit durability test and in incredibly harsh conditions and stood up.Once prompted for more detail, and translating out of his customary grunts, shrugs and sighs, he said [paraphrasing]: he stopped noticing whether or not his body was cold or hot since he was the perfect temperature all the time and stopped sweating whether in or out of a machine. He didn’t have to wear nearly as many layers in general. He didn’t have to strip ones off or put other ones on depending on where he was and what was happening nearly as much. He stayed warm even when outer gear got wet with frozen sleet driving and he had to move back and forth outside from truck to machine to truck. He wasn’t losing gear and other layers from job sites, trucks, machines or in the snow nearly as much either from stripping off and forgetting. The merino set remained odor free for an entire work cycle between washings so he reused them everyday. They stayed true to fit and didn’t stretch out of shape even wearing for long periods and for multiple days in a row. All day comfort second skin feel. No bunching in the armpits nor crotch. Ordered the 2XL, biggest they offer I think. He’s normally 3XL big and tall, so I wasn’t sure if these would fit but as a first or second layer snug is good. His back and shoulders can be a challenge to find proper fit for and I often tailor his clothes and gear, but these are perfect with long arms and a long torso design to accommodate various sizes and shapes. Spare to tuck in even! Fantastic!: This is important since he sometimes has to do mechanical repair on the fly. On top of a mountain on the machines, before this merino set, his lower back would sometimes come home chaffed and raw from cold exposure from these situations. A red burn from bending over with elements beating on him, not wanting to touch his clothes since his hands and outer gear coated with grease, tucking back is not a desirable option. The winds are basically trying to tear everything off so to have it stay in place and enough fabric to remain tucked in? chef kiss.Going into this next winter season depending on where he is going this year, we’ll get another set at a different weight. He said he wanted that versatility this time.

### ⭐⭐⭐⭐⭐ Great value, weight, and texture. Super warm & cozy
*by  on Reviewed in the United States September 21, 2026*

These are very well built. I got the 320g/sm for ice fishing and hunting. I havnt spent a long time In the cold yet with them, but from previous experience with thermal sets, I can already tell they are high quality. They are very heavy and warm feeling. Perfect for stationary activities. Great price for this kind of quality. ….and free socks. I’ll be buying more items in the future

## Frequently Bought Together

- Merino.tech Merino Wool Base Layer Mens Set - Heavyweight, Midweight, Lite Merino Wool Thermal Underwear For Men Top, Bottom
- Merino Wool Base Layer Mens Bottom Pants 100% Merino Wool Heavyweight, Midweight, Lite Thermal Underwear Long Johns and Socks
- Merino.tech Merino Wool Base Layer - Mens 100% Merino Wool Long Sleeve Thermal Shirts Heavyweight, Midweight, Lite with Socks

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-10-10*