Icebreaker Merino 260 Quantum IV LS Zip - Black (Size M)

The Icebreaker Merino 260 Quantum IV LS Zip is a premium mid-layer designed for cold-weather activities. Crafted from 100% ZQ-certified Merino wool with a fabric weight of 260 gsm, this long-sleeve zip top offers exceptional warmth, breathability, and natural odor resistance. The slim fit and full-zip closure make it easy to layer, while features like thumb loops, flatlock seams, and underarm gussets enhance comfort and mobility. Ideal for hiking, skiing, and everyday wear.

Advantages

Natural merino wool regulates body temperature, wicks moisture, and resists odors. The 260 gsm fabric provides substantial warmth without bulk. Flatlock seams prevent chafing, and underarm gussets allow full range of motion. Thumb loops keep sleeves in place under layers.

Suitable for

• Hiking and backpacking in cold weather
• Skiing and snowboarding as a mid-layer
• Everyday casual wear during fall, winter, and spring
• Outdoor activities requiring breathable insulation

Key specifications

• Material: 100% Merino Wool (ZQ-certified)
• Fabric Weight: 260 gsm
• Fit: Slim Fit
• Sleeve Length: Long Sleeve
• Closure: Full-zip with stand-up collar
• Pockets: 2 zippered hand pockets
• Special Features: Thumb loops, flatlock seams, underarm gussets
• Gender: Men's
• Color: Black
• Care: Machine wash cold, hang dry

Recommendations

For optimal performance, layer the Quantum IV LS Zip over a lightweight base layer and under a waterproof shell. The natural merino wool provides excellent insulation even when damp, making it a reliable choice for variable conditions.