Engineered for cold-weather adventure, the SummitLayer Pro Heavy Merino Crew delivers unmatched warmth and breathability. Crafted from 100% premium merino wool, this high performance men’s merino wool shirt offers natural moisture-wicking, odor resistance, and fast drying. With 250 g heavyweight construction, it keeps you warm without feeling bulky.
- UPF 50+ sun protection
- Designed with underarm gussets for free movement
- Rolled shoulder seams prevent pack strap chafing
- Locker loop for easy hang drying
- Made in a Fair Trade Certified™ factory
Learn how to maintain merino wool garments: machine wash cold, use a wool-specific detergent, and tumble dry on low. Do not bleach or wring.
Bradley Cooper (verified owner) –
Feels great right against the skin—zero itch. My favorite merino wool shirt to wear under a shell in sub-freezing temps.
Lindsay Anderson (verified owner) –
I’ve tried a few thermal base layer shirts for cold weather, and this one is easily the warmest without adding bulk.
Lisa Lester (verified owner) –
Bought two for a snowboarding trip—hands down the best merino wool base layer for men I’ve owned. Would recommend without hesitation.