---
product_id: 803669280
title: "Merino Wool Base Layer Men - 100% Merino Wool Long Sleeve Thermal Shirts Lightweight, Midweight, Heavyweight"
price: "£85.89"
currency: GBP
in_stock: true
url: https://www.desertcart.co.uk/products/803669280-merino-wool-base-layer-men-100-merino-wool-long-sleeve
store_origin: GB
region: United Kingdom
---

# Merino Wool Base Layer Men - 100% Merino Wool Long Sleeve Thermal Shirts Lightweight, Midweight, Heavyweight

**Price:** £85.89
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Merino Wool Base Layer Men - 100% Merino Wool Long Sleeve Thermal Shirts Lightweight, Midweight, Heavyweight
- **How much does it cost?** £85.89 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/803669280-merino-wool-base-layer-men-100-merino-wool-long-sleeve)

## Best For

- Customers looking for quality international products

## Why This Product

- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09TPJ5WDY |
| Age Range Description | Adult |
| Apparel Closure Type | Pull On |
| Apparel Fabric Stretch | No Stretch |
| Apparel Fabric Weight Class | Heavyweight |
| Apparel Occasion and Lifestyle | Outdoor Adventure |
| Back Style | T Back |
| Best Sellers Rank | #28,095 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #4 in Men's Base Layers |
| Brand Name | Merino.tech |
| Care instructions | Machine Wash (Delicate Cycle), Hand Wash Recommended |
| Closure type | Pull On |
| Color | 320 Army Green |
| Cuff Type | plain hem |
| Customer Reviews | 4.5 out of 5 stars 5,555 Reviews |
| Fabric Stretchability | Non-stretchable |
| Fabric Type | 100% Superfine Merino Wool |
| Fabric type | 100% Superfine Merino Wool |
| Fit Type | Regular Fit |
| Fit to Size Sentiment | Neutral |
| Garment Size Country | United States |
| Hemline Form | Straight Hemline |
| Import Designation | Imported |
| Is Customizable? | No |
| Item Length Description | Standard Length |
| Life Event | Outdoor Activities, Casual Wear, Gym Use |
| Material Type | 100% Superfine Merino Wool |
| Neck Style | Crew Neck |
| Number of Items | 2 |
| Occasion Type | Casual, Hiking, Outdoor, Skiing, Winter Sports |
| Origin | Imported |
| Pattern | Solid |
| Pocket Description | No Pockets |
| Product Care Instructions | Machine Wash (Delicate Cycle), Hand Wash Recommended |
| Seasons | All |
| Shirt Form Type | T-Shirt |
| Sleeve Length Description | Long Sleeve |
| Sleeve Type | Long Sleeve |
| Sport Type | Hiking, Camping and Hiking, Running, Climbing, Snow Skiing, Snowboarding, Mountaineering, Cycling |
| Style Name | 320gsm Heavyweight |
| Ultraviolet Protection Factor | UPF 20 |
| character | Sports |
| collar-type | round collar |
| top-style | Thermal |

## Images

![Merino Wool Base Layer Men - 100% Merino Wool Long Sleeve Thermal Shirts Lightweight, Midweight, Heavyweight - Image 1](https://m.media-amazon.com/images/I/81EdeoJmG2L.jpg)

## 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 New Zealand 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

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**Shop now:** [https://www.desertcart.co.uk/products/803669280-merino-wool-base-layer-men-100-merino-wool-long-sleeve](https://www.desertcart.co.uk/products/803669280-merino-wool-base-layer-men-100-merino-wool-long-sleeve)

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-06-16*