The Icebreaker 200 Oasis Long-Sleeve Half-Zip base layer top combines the natural warmth and breathability of merino wool with a thoughtful design that enhances mobility and comfort.
Made from 100% merino wool jersey fabric, this top offers excellent odor resistance, quick drying, and moisture-wicking properties. Its flatlock seams and offset shoulder construction minimize chafing, while the gusseted underarms and droptail hem ensure freedom of movement and extra coverage. Perfect for layering, it’s an ideal choice for outdoor enthusiasts seeking a high-performance, natural fiber option for cold weather activities.
- Soft, lightweight, and breathable merino wool fabric
- Moisture-wicking and quick-drying for all-day comfort
- Flatlock seams reduce chafing during active pursuits
- Gusseted underarms improve mobility
- Inspired by nature, built for multisport use
Looking for how to maintain your merino wool base layer? Hand wash with mild detergent and air dry to preserve its natural properties. This men’s thermal shirt is designed to last and perform season after season.
Jennifer King (verified owner) –
This merino wool base layer is incredibly soft and keeps me warm without overheating. The half zip makes it easy to adjust for comfort during long hikes.
Laura Jackson (verified owner) –
Absolutely love this top! It’s lightweight yet warm, and the moisture-wicking properties keep me dry even during intense workouts.
Jordan Alvarez (verified owner) –
The quality of this men’s thermal shirt exceeded my expectations. It’s durable, comfortable, and perfect for cold-weather adventures.