Men's Merino 200 Oasis Long Sleeve Crew Thermal Top | IceBreaker

Canada's Source for Merino Base Layers

Soft, Breathable Warmth for Cold-Weather Kits

The Icebreaker Merino 200 Oasis Crew is a high-performance base layer built for hiking, snow sports, and everyday cold-weather use. Made from 100% merino wool, it regulates temperature, resists odour, and delivers no-itch comfort against the skin; even during multi-day wear.

Purpose-Built for Movement and Comfort

This long sleeve crew features gusseted underarms for mobility, offset shoulder seams to reduce pack rub, and flatlock stitching to minimize chafing. The drop-tail hem adds coverage during active movement, and the slim fit keeps bulk low for efficient layering under mid and outer shells.

Field-Ready Features and Natural Performance

Weighing just 217 g (size M), the Oasis Crew is part of Icebreaker’s 200-weight warmth system; ideal for cool to cold conditions. The superfine merino fibers (18.9 micron) offer a soft hand feel while maintaining durability and breathability. Whether you're skinning uphill, hiking through frost, or layering for daily wear, this top delivers reliable warmth without synthetics.

Icebreaker Merino 200 Oasis Crew Specs

• Fabric: 100% merino wool (jersey knit)
• Fiber Diameter: 18.9 micron
• Warmth Rating: 200-weight
• Fit: Slim (low-bulk layering)
• Back Length: 75.4 cm (size L)
• Weight: 217 g / 7.64 oz (size M)
• Features: Gusseted underarms, offset shoulder seams, flatlock stitching, drop-tail hem
• Use: Hiking, snow sports, everyday layering