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Ships within 48 hours · Estimated delivery Sep 5 - Sep 10
Zigzag-knit construction maximizes airflow through the fabric and packs down small enough to stuff in a vest pocket
secure fit — ideal for climbers dialing in their first performance shoe or adding a versatile option to the rack
two J-zip side pockets put essentials within reach on the move
Lightweight polycarbonate injected lenses deliver polarized clarity and high shatter resistance
Outdoor Research Frostline Hat accessories Zigzag-knit construction maximizes airflow throughBuilt for hard winter conditions mountaineering, ski approaches, or bitter cold backcountry work the Frostline is our pick when temps drop and wind picks up. A Pertex Shield shell blocks wind and moisture while the Posh Pile fleece lining delivers real warmth fast. The zip out face mask and fold down earflaps let you dial protection to the conditions. Pertex Shield 2L 30D ripstop nylon shell sheds wind and moisture without trapping heat Posh Pile 100%