Crafted for athletes and outdoor adventurers, the IceFusion 260 Merino Thermal Crew Base Layer offers unmatched breathability and insulation. Designed with ZoneKnit™ body-mapping technology, it actively regulates heat and lets skin breathe in high-intensity conditions.
- Thumb slits for warmth and sleeve stability
- Flatlock seams eliminate friction
- Raglan sleeves and gusseted underarms boost mobility
- Droptail hem offers enhanced coverage during movement
This heavyweight thermal long sleeve top is part of our cheap high-performance athletic wear lineup, optimized for cold-weather sports and dynamic training sessions.
Wondering how to maintain a merino wool shirt? Machine wash cold, line dry, and avoid fabric softeners to preserve integrity and performance.
Sandra Alvarez (verified owner) –
I wore this shirt snowboarding in Vermont—it kept me warm without overheating. Easily one of the best thermal long sleeve tops for winter.
John Hall (verified owner) –
Impressed by the fit and performance. It’s hard to find cheap high-performance athletic wear that feels premium, but this one nailed it.
Lance Johnson (verified owner) –
Honestly, this merino wool shirt exceeded my expectations. Breathable, durable, and great for everyday winter layering.