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/fall, 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 you need

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 manageMt standards. Every component tested against 100+ harmful substances under OEKO-TEX Standard 100.

Does it fit true to size?

Choose your regular size. For a snug layering fit under jackets or ski gear, size down one

Merino Tech 100 Merino Wool Base Layer Mens Long Sleeve

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

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AR$268530

Duties & taxes included

In stock

Sold byAmazon ArgentinaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Argentina.

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Description

🔥 Stay warm, stay sharp — Merino.tech’s heavyweight base layer means never compromise on comfort or style.

THERMAL POWERHOUSE - Heavyweight 320 g/m² fabric delivers unbeatable warmth without bulk.
ALL DAY COMFORT ZERO ITCH - Superfine 17.5 micron Merino wool ensures premium softness without irritation.
BONUS SOCKS FOR TOTAL WARMTH - Includes high-performance Merino wool hiking socks ($21 value) to complete your cold-weather kit.
VERSATILE LAYERING ESSENTIAL - Regular fit and breathable design layer seamlessly under any outfit or gear.
NATURAL MOISTURE ODOR CONTROL - Merino wool wicks sweat and resists odors for fresh, dry wear all day.

The Merino.tech Men's Merino Wool Base Layer features 100% superfine Merino wool in heavyweight (320 g/m²), midweight, and lightweight options, designed for superior thermal regulation, moisture wicking, and odor resistance. This premium long sleeve thermal shirt offers all-day comfort with no itch, perfect for outdoor activities and daily wear. Each purchase includes a pair of Merino wool hiking socks, making it an ideal gift and essential cold-weather layering piece.

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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AR$268530

Duties & taxes included

In stock

Sold byAmazon ArgentinaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Argentina.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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Very reliable shop with genuine products. Will definitely buy again!

2 weeks ago

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Asin	B0H9Z8XQ2Z
Best Sellers Rank	#3 in Men's Base Layers
Date First Available	July 22, 2026
Department	mens

Merino.tech 100% Merino Wool Base Layer Mens - Long Sleeve Thermal Shirts

Description

Specifications

Common Questions