Icebreaker Merino 200 Realfleece Descender LS Half Zip - Jet Heather/Black/Carbon, Size M

The Icebreaker Merino 200 Realfleece Descender LS Half Zip is a versatile mid-layer top designed for active pursuits in cool to cold conditions. Crafted from a blend of 88% Merino Wool, 9% Nylon, and 3% LYCRA®, this long-sleeve half-zip offers exceptional warmth, breathability, and natural odor resistance. The Realfleece™ fabric technology provides a soft, brushed interior for added insulation, while the regular fit and offset shoulder seams ensure comfort and freedom of movement. Thumb loops keep sleeves in place, and the stand-up collar with YKK® zipper allows for easy ventilation. Ideal for hiking, skiing, trekking, or everyday layering, this top is made with ZQ-certified Merino wool, ensuring ethical and sustainable sourcing.

Advantages

Natural merino wool regulates temperature, wicks moisture, and resists odors, keeping you comfortable during high-output activities. The durable nylon and LYCRA® blend adds stretch and shape retention. Flatlock seams prevent chafing, and the half-zip design offers quick cooling.

Suitable for

• Hiking and trekking
• Skiing and snow sports
• Everyday wear and layering
• Outdoor adventures in cool weather

Key specifications

• Material: 88% Merino Wool, 9% Nylon, 3% LYCRA®
• Fabric weight: 200 gsm
• Technology: Realfleece™
• Fit: Regular
• Closure: Half-zip with YKK® zipper
• Collar: Stand-up
• Sleeve length: Long sleeve with thumb loops
• Seams: Offset shoulder, flatlock
• Care: Machine wash cold, line dry in shade, do not tumble dry

Recommendations

For optimal performance, layer this mid-layer under a waterproof shell or wear it alone on milder days. Pair with Icebreaker bottoms for a complete merino system.