Frostline Hat

Outdoor Research

The Frostline Hat is built for ultimate winter weather protection. Water-resistant, ultralight 30D Pertex Endurance fabric keeps out the elements, while Posh Pile fleece provides warm, wicking insulation. A zip-out face mask and fleece-lined earflaps provide adjustable protection from biting wind and snow, and the foam brim snaps up for greater visibility when you’re eyeballing the route ahead.


  • Water-Resistant
  • Breathable
  • Wicking
  • High Pile Lining
  • Stowable Facemask
  • Small Brim
  • Multiple Configurations
  • Convertible
  • Embroidered OR Logo
  • Screen Print OR Logo
  • Woven Flag Label


  • Fabric: Pertex Endurance 2L 100% nylon 30D, Posh Pile ?eece lining 100% polyester, Zip-out Thermodynamic 63% nylon, 23% polyester, 14% spandex single jersey face mask
  • Weight: 3.4oz / 97g Avg. Weight for size L

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