Naturally Sustainable
Machine Wash & Dry
Naturally Anti-Odor
Breathable & Wicking
When the warmth of summer starts to peek out from winter, you’ll be glad to reach for this amazing men's lightweight merino wool t shirt, part of our men's merino wool tops! Use it as a base layer under your work shirt, or wear it all by itself during your next summer summit. Naturally soft, naturally anti-odor, and versatile, you'll fall in love with its everyday comfort. This shirt is machine wash & dry too - so you don't have to worry about shrinkage.
Fabric
- Fiber Content: 100% Merino Wool
- Knit: 170 g/m2 Lightweight Jersey Knit
- Microns: 17.5 Micron Fibers
- UPF Rating: 25
- Total Easy Care: Machine Wash & Dry
- Wool Source: Australia
- Imported.
Features
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Tagless Label: No Itchy Neck Tags
- Flat Lock Seams: Prevents Chafing
- Layer Type: Base Layer
- Fit Type: Regular - Standard fit with a little bit of room to breathe, but not too baggy. Model wearing tan is 5'10 / 150 lbs wearing a size medium.
-
Runs True to Size - If you like a more athletic, tight fit, try sizing down or try the Woolverino Raglan T-Shirt
- Weight: Size Large = 6.6 oz. (186 grams)
- Style #: 703
Uses
- Ideal Seasons: Spring, Summer, Fall, Winter
- Activities: Everyday Wear, Hiking, Camping, Biking, Running, Fishing, Hunting, Snowsports
- Temperature Recommendations: 30°F to 60°F and up while active, 60°F and up while inactive - Learn More
Care
Washing and Drying Instructions - Learn More
- Turn Inside Out
- Machine Wash Cold: Gentle cycle with like colors
- Detergent: Mild or wool-specific
- Tumble Dry: Low heat
- Storage: Place in an airtight container when not in use for long periods of time
- Do NOT Use: Fabric softener or bleach!
Product Story
Algonquin [al-gong-kin, -kwin]
Beautiful Algonquin Peak is the 2nd tallest and most challenging of the Adirondack High Peaks. It once marked the border between the Algonquian and Iroquois peoples. This challenging hike rewards adventurers with a 360-degree, all-around view from its bare summit. When you're climbing to the snowy Algonquin winter peak or hiking to its beautiful summer summit, add our Merino Wool t shirt to your wardrobe for ultimate year-round comfort.
Benefits of Merino Wool
Moisture Wicking
Merino wool is the best fiber to regulate moisture. It does this by absorbing sweat from your skin and releasing it into the air. Whether you're hiking, running, biking, on the job, or just relaxing at home, our wool helps keep you dry and comfortable all day long.
Soft & Comfortable
Merino wool fibers are much finer than traditional wool, creating a luxuriously soft feel that won’t itch or irritate your skin. Comfortable enough for everyday wear and gentle enough for sensitive skin, it’s a natural choice for underwear, base layers and next-to-skin comfort.
Highly Breathable
Merino wool’s unique structure allows air to circulate freely, helping to regulate your body temperature in both hot and cold weather conditions. Whether you're layering up for winter or staying cool in summer, Merino keeps you comfortable by letting your skin breathe.
Anti-Microbial
Merino wool naturally resists odor-causing bacteria, keeping you fresher for longer. No lingering smells, even after extended wear. Perfect for travel, outdoor adventures, and everyday life.
Insulates When Wet
Merino wool can hold up to 30% of its weight in moisture without feeling wet or clammy against the skin. Unlike cotton or synthetic fabrics, it keeps insulating when damp, making it a smart choice for unpredictable weather and high-output activity.
Fire Resistant
Merino wool is naturally fire-resistant and self-extinguishing. It will not melt or stick to your skin like synthetic fabrics. A trusted option for first responders, campfire safety, or any high-heat environment.
UV Protection
Our Merino wool clothing helps protect you from the sun’s harmful rays, with different levels of UPF based on fabric weight:
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Microweight (145 GSM): UPF 20
-
Lightweight (170 GSM): UPF 25
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Midweight (235 GSM): UPF 50+
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Heavyweight (400 GSM): UPF 50+
These natural UV-blocking properties make Merino wool ideal for long days or the beach or above treeline.
Renewable and Sustainable
Merino wool is a natural, biodegradable fiber with a low environmental footprint. Grown by Australian Merino sheep and shorn seasonally, it is a renewable material that supports responsible farming practices.
Our Guarantee
- 30 Day Satisfaction Guarantee - Return Policy
- 1 Year Warranty
- Extended 2 Year Warranty with Registration - Learn More
- New Hampshire, USA Customer Service
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LIGHTWEIGHT MERINO WOOL
- 170 g/m
- 100% Australian Merino Wool
- Machine Wash & Dry
- UPF 25
Our lightweight Merino wool is a versatile, all-season fabric that's ideal for hiking, running, biking, camping, and everyday wear. Perfect as a warm weather single layer, or as an underlayer in cooler conditions during spring, fall, and even winter. You can learn more about our different Merino fabric weights here.
Temperature (°F)
Activity Level
Benefits of Merino Wool
Great fit. Comfortable. Dries quickly.Weight a little heavier than anticipated, but that's on me. Probably less use during summer, a little more spring and fall.
Hi James, we're thrilled to hear you love the fit and comfort of our Merino Wool T-Shirt! Thanks for your thoughtful feedback on the weight—it's great to know how you plan to use it. Enjoy your adventures in spring and fall! Have a great and safe July 4th
Linda
Minus33 Customer Service Team
Very comfortable and quality made shirt. I ordered a XL and it was a little tight. I exchanged for XXL and it fits a little loose how I like it. Great shirt.
Hi Bill
We're glad you love the shirt and appreciate the quality. It's great to hear that the exchange worked out for the perfect fit. Thanks for sharing your feedback! Have a wonderful and safe 4th of July!!
Linda
Minus33 Customer Service Team
⭐⭐⭐⭐⭐
I've been wearing the Minus33 Lightweight 100% Merino Wool Crew T-Shirt for work, and it has exceeded my expectations. I spend long days outdoors, often 12 to 14+ hours at a time, in everything from Georgia summer heat and humidity to cooler weather, and this shirt has become one of my favorites.
The biggest thing I've noticed is comfort. The merino wool breathes extremely well, helps regulate temperature, and manages moisture far better than cotton. Even when I'm sweating, the shirt doesn't feel wet and clammy like a traditional cotton T-shirt. It stays comfortable throughout the day and dries quickly.
Another major benefit is odor resistance. I can wear it for multiple days when traveling, camping, or working long shifts, and it stays fresher than any synthetic shirt I've owned. The fabric is soft against the skin, not itchy, and comfortable enough to wear all day.
The fit is practical and works well as either a standalone shirt or a base layer. Despite being lightweight, it has held up well to regular use and washing.
I've become a big fan of Minus33 products in general, and this shirt is one of the reasons why. If you're looking for a high-quality everyday shirt for work, travel, outdoor activities, or simply staying comfortable in changing conditions, I highly recommend it.
Hi there! We're thrilled to hear how much you love the Lightweight Men's Wool T Shirt. Also thank you for your positive review on our Boot Socks and Boxer Briefs.
Thank you for sharing your experience and for being a fan of Minus33. We look forward to serving you more great products in the future! Have a happy and safe 4th of July!!
Linda
Minus33 Customer Service Team


