- Naturally breathable, fast-drying, and odor-repellent comparing this base layer shirt to grandpa's wool knickers is like upgrading your sled from his 1978 Panther to a PRO-RMK.
- Balaclava hood is fitted for use under a helmet.
- Covert Collar is tucked away in collar when not needed, or pull out for full face coverage.
- Materials: Alpine Merino - 250 GSM 20 micron wool, blended with 40% Bamboo Viscose, and 10% nylon for structure and durability.
- Warmth: LVL 
FZN stands for Five Zero Nine, not frozen, and that's exactly how you'll feel in the 509 FZN Merino Hoodie. The low-profile balaclava hood fully seals out biting wind, while the built-in facemask tucks away inside the collar until you need it. Naturally breathable, fast-drying, and odor-repellent-comparing this base layer shirt to grandpa's wool knickers is like upgrading your sled from his 1978 Panther to a PRO-RMK.
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