---
product_id: 259455340
title: "100% Merino Wool Base Layer Mens Pants - Thermal Underwear Long Johns"
brand: "merino.tech"
price: "77438CFA"
currency: XOF
in_stock: true
category: "Merino.Tech"
url: https://www.desertcart.sn/products/259455340-100-merino-wool-base-layer-mens-pants-thermal-underwear-long
store_origin: SN
region: Senegal
---

# Midweight 250 g/m² for optimal warmth 100% Superfine 17.5 Micron Merino Wool Natural moisture-wicking & odor resistance 100% Merino Wool Base Layer Mens Pants - Thermal Underwear Long Johns

**Brand:** merino.tech
**Price:** 77438CFA
**Availability:** ✅ In Stock

## Summary

> 🧗‍♂️ Elevate your base game with Merino.tech — warmth, comfort, and freshness that never quits!

## Quick Answers

- **What is this?** 100% Merino Wool Base Layer Mens Pants - Thermal Underwear Long Johns by merino.tech
- **How much does it cost?** 77438CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/259455340-100-merino-wool-base-layer-mens-pants-thermal-underwear-long)

## 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

- • **Odor-Free Confidence:** Natural odor resistance means you stay fresh longer—no more mid-day worries or awkward smells.
- • **All-Day Comfort, Zero Itch:** Experience ultra-soft superfine merino wool that feels like a second skin—no irritation, just pure comfort.
- • **Thermal Regulation Mastery:** Midweight 250 g/m² fabric keeps you perfectly warm without overheating, ideal for year-round adventure or daily wear.
- • **Bonus Hiking Socks Included:** Step up your outdoor game with premium merino wool socks ($21 value) included—because every detail counts.
- • **Effortless Care & Durability:** Machine washable and built to last, these base layers keep up with your active lifestyle without losing shape or softness.

## Overview

Crafted from 100% superfine 17.5 micron merino wool, these midweight (250 g/m²) men's base layer pants deliver superior thermal regulation, moisture-wicking, and odor resistance. Designed for hiking, sports, and everyday wear, they offer all-day comfort with a stretchable, pull-on fit. Bonus merino wool hiking socks included, machine washable, and backed by the Merino.tech Promise for guaranteed satisfaction.

## Description

Buy Merino Wool Base Layer Mens Bottom Pants 100% Merino Wool Heavyweight, Midweight, Lite Thermal Underwear Long Johns and Socks (X-Large, Black 250) and other Bottoms at desertcart.com. Our wide selection is elegible for free shipping and free returns.

## Features

- Midweight: Mens Merino Base Layer Available in: Lightweight 165 g/m², Midweight 250 g/m², Heavyweight 320 g/m². Merino Wool Hiking Socks ($21 Value!) - Midweight Merino Wool Pants for Men 250 g/m² and Wool Socks. Cool Packaging! Makes A Great Gift!
- Super Soft & Comfortable: 100% Superfine 17.5 Micron Merino Wool Underwear Mens provide all day comfort and no itch! Designed for daily wear without rubbing and overheating of regular cotton.
- Moisture Wicking & Odor Resistant: Merino Baselayer Men natural wicking and odor-resistant properties allow it to absorb moisture better than any other fabric, keeping you dry and fresh.
- Easy Care: Washer/dryer safe. For longer lasting wear, hand wash and air dry. Midweight Merino Wool Base Layer Mens naturally regulates body temperature to keep you comfortable all year round.
- Zero Worries: Every Merino.tech Merino Pants we make is backed by our Merino.tech Promise - ensuring you're 100% happy with every Merino.tech purchase.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B085TG99MH |
| Age Range Description | Adult |
| Apparel Closure Orientation | Front |
| Apparel Closure Type | Pull On |
| Apparel Fabric Stretch | Medium Stretch |
| Apparel Fabric Weight Class | Medium Weight |
| Apparel Occasion and Lifestyle | Athletic |
| Best Sellers Rank | #55,557 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #4 in Men's Thermal Underwear Bottoms |
| Brand Name | Merino.tech |
| Care instructions | Machine Wash (Delicate Cycle), Hand Wash Recommended |
| Closure type | Pull On |
| Color | .Black 250 |
| Customer Reviews | 4.6 out of 5 stars 3,551 Reviews |
| Fabric Stretchability | Stretchable |
| Fabric Type | 100% Superfine Merino Wool |
| Fabric type | 100% Superfine Merino Wool |
| Fit Type | Standard |
| Fit to Size Sentiment | Fits True To Size |
| Front Pleat Type | Flat Front |
| Garment Size Country | United States |
| Has Pockets | No |
| Item Length Description | Standard Length |
| Leg Style | Skinny |
| Manufacturer Part Number | MP-250 |
| Material Type | 100% Superfine Merino Wool |
| Model Name | Men Pants |
| Number of Items | 1 |
| Occasion Type | Hiking |
| Origin | Imported |
| Pants Form Type | Leggings |
| Pattern | Solid |
| Pattern Style | Solid |
| Pocket Description | No Pocket |
| Product Care Instructions | Machine Wash (Delicate Cycle), Hand Wash Recommended |
| Rise Style | Mid Rise |
| Seasons | All |
| Sleeve Length Description | Long Sleeve |
| Specific Uses For Product | Hiking, Sports, Yoga |
| Sport Type | Hiking, Snow Skiing, Snowboarding, Camping and Hiking, Running, Climbing, Mountaineering, Cycling |
| Style Name | Modern/Fitted |
| Style Number | MP-250 |
| Team Name | Sports |
| Ultraviolet Protection Factor | UPF 50 |
| Unit Count | 1 Count |
| Waist Size | 40 Inches |
| Weave Type | Knit |

## Images

![100% Merino Wool Base Layer Mens Pants - Thermal Underwear Long Johns - Image 1](https://m.media-amazon.com/images/I/61kAQvSBMhL.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. For a snug layering fit under jackets or ski gear, size down one

## Frequently Bought Together

- 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 Set - Heavyweight, Midweight, Lite Merino Wool Thermal Underwear For Men Top, Bottom
- Merino.tech Merino Wool Socks for Women And Men - Merino Wool Hiking Socks Crew Style

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**Shop now:** [https://www.desertcart.sn/products/259455340-100-merino-wool-base-layer-mens-pants-thermal-underwear-long](https://www.desertcart.sn/products/259455340-100-merino-wool-base-layer-mens-pants-thermal-underwear-long)

---

*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-08-29*