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Algonquin Lightweight Men's 100% Merino Wool T-Shirt
When the warmth of summer starts to peek out from winter, you'll be glad to reach for this amazing merino t-shirt. Named for Algonquin Peak—the second tallest and most challenging of the Adirondack High Peaks that once marked the border between the Algonquian and Iroquois peoples—this lightweight tee rewards you with year-round versatility. Wear it as a base layer under your work shirt, or on its own during your next summer summit. The 100% merino wool construction is naturally soft, naturally odor-resistant, and machine washable without shrinkage. Whether you're climbing to a snowy winter peak or hiking to a beautiful summer summit, you'll fall in love with its everyday comfort.
Why You'll Love This T-Shirt
- 100% merino wool for natural softness, odor resistance, and temperature regulation
- Lightweight 170 g/m² jersey knit—perfect for layering or wearing alone
- 17.5-micron fibers feel soft against skin with no itch
- Crew neckline with tagless label for irritation-free comfort
- Flatlock seams prevent chafing during all-day wear
- UPF 25 sun protection
- Machine wash and dry—no special care required
Size & Fit
Regular fit with room to breathe but not baggy. Available in XS-4XL. Runs true to size—size down if you prefer a more athletic, fitted feel or try the Woolverino Raglan T-Shirt. Reference model: 5'10", 150 lbs wears size Medium.
- XS: Chest 33-35", Sleeve 30-31"
- S: Chest 35-38", Sleeve 31-32"
- M: Chest 39-41", Sleeve 32-33"
- L: Chest 42-45", Sleeve 33-34"
- XL: Chest 46-48", Sleeve 34-35"
- XXL: Chest 49-52", Sleeve 35-36"
- XXXL: Chest 52-54", Sleeve 36-37"
- 4X: Chest 54-57", Sleeve 36-37"
Care Instructions
Turn inside out and machine wash cold on gentle cycle with mild or wool-specific detergent like M33 Nikwax Wool Wash. Tumble dry on low heat. Store in an airtight container when not in use for extended periods. Never use fabric softener or bleach.
Complete Your Look
Layer under the Isolation 1/4 zip for cooler conditions, or pair with Kancamagus bottoms for a complete lightweight system. Explore our full Merino Wool Collection from Minus 33, a 5th-generation New Hampshire family business with over a century of textile expertise.
When the warmth of summer starts to peek out from winter, you'll be glad to reach for this amazing merino t-shirt. Named for Algonquin Peak—the second tallest and most challenging of the Adirondack High Peaks that once marked the border between the Algonquian and Iroquois peoples—this lightweight tee rewards you with year-round versatility. Wear it as a base layer under your work shirt, or on its own during your next summer summit. The 100% merino wool construction is naturally soft, naturally odor-resistant, and machine washable without shrinkage. Whether you're climbing to a snowy winter peak or hiking to a beautiful summer summit, you'll fall in love with its everyday comfort.
Why You'll Love This T-Shirt
- 100% merino wool for natural softness, odor resistance, and temperature regulation
- Lightweight 170 g/m² jersey knit—perfect for layering or wearing alone
- 17.5-micron fibers feel soft against skin with no itch
- Crew neckline with tagless label for irritation-free comfort
- Flatlock seams prevent chafing during all-day wear
- UPF 25 sun protection
- Machine wash and dry—no special care required
Size & Fit
Regular fit with room to breathe but not baggy. Available in XS-4XL. Runs true to size—size down if you prefer a more athletic, fitted feel or try the Woolverino Raglan T-Shirt. Reference model: 5'10", 150 lbs wears size Medium.
- XS: Chest 33-35", Sleeve 30-31"
- S: Chest 35-38", Sleeve 31-32"
- M: Chest 39-41", Sleeve 32-33"
- L: Chest 42-45", Sleeve 33-34"
- XL: Chest 46-48", Sleeve 34-35"
- XXL: Chest 49-52", Sleeve 35-36"
- XXXL: Chest 52-54", Sleeve 36-37"
- 4X: Chest 54-57", Sleeve 36-37"
Care Instructions
Turn inside out and machine wash cold on gentle cycle with mild or wool-specific detergent like M33 Nikwax Wool Wash. Tumble dry on low heat. Store in an airtight container when not in use for extended periods. Never use fabric softener or bleach.
Complete Your Look
Layer under the Isolation 1/4 zip for cooler conditions, or pair with Kancamagus bottoms for a complete lightweight system. Explore our full Merino Wool Collection from Minus 33, a 5th-generation New Hampshire family business with over a century of textile expertise.