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Outdoor Research
Outdoor Research
Boiler Cap

SKU #: pg58490


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Boiler Cap
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Product Information


The all in one winter ball cap, the water-resistant Boiler Cap keeps you toasty in brutal winter weather. You need ear flaps? You got ‘em. You need a facemask? You got it. And they all fold neatly inside the cap when not in use.


  • Waterproof
  • Wind Resistant
  • Durable
  • Fully Seam-Taped
  • Brushed Tricot Lining
  • Fold-Down Ear Flaps
  • Fold-Out Facemask
  • External Drawcord Adjustment
  • Multiple Configurations
  • Woven Vintage Patch


Fabric100% nylon 40D full dull ripstop outer / Radiant LT™ Fleece, 94% polyester, 6% spandex earband and facemask / 100% polyester brushed tricot crown lining
Weight3.1 oz / 89 g

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