Icebreaker

Frequently Asked Questions

• What makes Icebreaker merino wool different from synthetic performance fabrics?

  Icebreaker uses ultra-fine New Zealand merino that naturally wicks moisture, resists odor, and regulates temperature across a wide range of conditions. Merino fibers absorb moisture without feeling wet and trap air for insulation, delivering softness and breathability that many synthetics don’t replicate.
• How do Icebreaker’s fabric weights (125, 200, 260) affect what I should wear?

  The 125 series is ultra-light for high-output or warm-weather activities, the 200 series is a versatile high-output base for hiking and ski touring, and the 260 series provides heavier insulation for cold, stop‑start, or overnight use. Choose lighter weights for sustained exertion and heavier weights when you expect low movement or colder temperatures, then layer accordingly.
• What do Cool-Lite™ and ZoneKnit™ actually do on Icebreaker garments?

  Cool-Lite™ boosts wicking and cooling performance for hot-weather or high-exertion use, while ZoneKnit™ places engineered knit zones and eyelet mesh where you need extra breathability, stretch, or insulation. Together these technologies make pieces like the 125 ZoneKnit thermal top and Cool-Lite Sphere Tee feel drier and more comfortable during variable efforts.
• How does Icebreaker source and design its products for sustainability?

  Icebreaker pioneered natural-fiber performance with New Zealand merino starting in 1995 and focuses on durable, long-lasting garments made from renewable wool to reduce the need for frequent replacement. The brand’s emphasis on longevity, natural odor resistance, and layerable systems helps lower environmental impact through extended wear.
• Which Icebreaker pieces are best for multi-day backcountry trips or extended wear?

  For multi-day adventures, start with a 200 Series base layer for versatility, add a 260 Series base or mid layer for colder, slower-paced legs, and pack lightweight 125 Cool-Lite or ZoneKnit pieces for warm or high-output segments; merino briefs, socks, and midlayer hoodies are all well-suited to extended use. The combination of temperature regulation and odor resistance makes modular Icebreaker layers easy to manage on multi-day itineraries.