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

100 Merino Wool Base Layer Mens Long Sleeve Thermal Shirts

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Sold byAmazon SINGAPOREDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🧗‍♂️ Elevate your base layer game—comfort, performance, and style that won’t quit!

ULTRA SOFT ITCH FREE - Crafted from superfine 17.5 micron Merino wool for all-day comfort with zero irritation.
ODOR FREE MULTI DAY WEAR - Superior moisture-wicking and odor resistance keep you fresh on back-to-back adventures or long workdays.
ALL SEASON CLIMATE CONTROL - Naturally regulates body temperature for year-round comfort without overheating or chilling.
BONUS PREMIUM SOCKS INCLUDED - Complete your base layer kit with high-performance Merino wool socks ($21 value) for unmatched foot comfort.
EFFORTLESS CARE DURABILITY - Machine washable with recommended hand wash for longevity—built to last through every season.

This 100% superfine Merino wool midweight base layer for men offers premium thermal insulation (230-250 g/m²) with natural moisture-wicking and odor resistance. Designed for active professionals and outdoor enthusiasts, it delivers itch-free comfort, UPF 50 sun protection, and easy care. Each purchase includes a pair of high-quality Merino wool socks, making it the ultimate all-season layering essential.

Specifications

ASIN	B08DG7J166
Age Range Description	Adult
Apparel Closure Type	Pull On
Apparel Fabric Stretch	Medium Stretch
Apparel Fabric Weight Class	Medium Weight
Apparel Occasion and Lifestyle	Athletic
Back Style	T Back
Best Sellers Rank	#7,488 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #2 in Men's Base Layers
Brand Name	Merino.tech
Care instructions	Machine Wash (Delicate Cycle), Hand Wash Recommended
Closure type	Pull On
Collection Name	Winter
Color	.Black 250
Cuff Type	Plain Hem, Plain Hem
Customer Reviews	4.5 out of 5 stars 5,676 Reviews
Embellishment Feature	No
Fabric Stretchability	Stretchable
Fabric Type	100% Superfine Merino Wool
Fabric type	100% Superfine Merino Wool
Fit Type	Regular
Fit to Size Sentiment	Fits True To Size
Garment Size Country	United States
Import Designation	Imported
Item Length Description	Standard Length
Item Weight	14.88 ounces
Manufacturer Part Number	MLS-250
Material Type	100% Superfine Merino Wool
Model Name	Men Ls
Neck Style	Crew Neck
Number of Items	1
Occasion Type	Casual, Hiking, Outdoor, Skiing, Winter Sports
Origin	Imported
Pattern	Solid
Pocket Description	No pocket
Product Care Instructions	Machine Wash (Delicate Cycle), Hand Wash Recommended
Seasons	All
Shirt Form Type	Sport Jersey
Sleeve Length Description	Long Sleeve
Sleeve Type	Long Sleeve
Sport Type	Hiking, Camping and Hiking, Running, Climbing, Snow Skiing, Snowboarding, Mountaineering, Cycling
Style Name	Modern
Style Number	MLS-250
Ultraviolet Protection Factor	UPF 50
character	Sports
collar-type	Collarless
top-style	Shirt

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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.

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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.

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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.

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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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