FZN stands for Five Zero Nine, not frozen, and that’s exactly how you’ll feel in the 509 FZN Merino Pants. This base layer pant offers versatile midweight warmth with a high-performance Alpine Merino wool blend that’s naturally breathable, fast-drying, and odor-repellent—all without the itch. It outperforms conventional fabrics, delivering comfort and durability for demanding conditions.
Features:
• Made from Alpine Merino 250 GSM 20 micron wool blended with 40% Bamboo Viscose and 10% nylon for structure and durability
• Provides midweight warmth, rated LVL [2]
• Naturally breathable and fast-drying
• Odor-repellent without any itchiness
Features:
• Made from Alpine Merino 250 GSM 20 micron wool blended with 40% Bamboo Viscose and 10% nylon for structure and durability
• Provides midweight warmth, rated LVL [2]
• Naturally breathable and fast-drying
• Odor-repellent without any itchiness