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Sunday Afternoon Ultra Storm Boonie Hat

  • Sale
  • Regular price $59.95

First came the Adventure Hat, then the Ultra Adventure Hat, and now…introducing the Ultra Adventure Storm Hat: what we like to call the world’s best rain hat. Featuring 100% waterproof seam-sealing technology, this hat is easy to fold, stash in your pack, and perfect for backpacking or hiking in the rain! The Ultra Adventure Storm Hat breathes, fits comfortably, and has a chin strap so it stays put in high winds. Wherever your adventures take you, this hat will keep you dry. Guaranteed.

Feautres and Specs

  • 100% waterproof, breathable, fully seam-taped fabric
  • 10k waterproof membrane protects from rain and snow
  • PFA-free water repellent finish
  • 3¼" Brim and 6" neck cape
  • Reinforced brim structure
  • Reflective details
  • Integrated wicking mesh liner
  • Adjustable sizing
  • Reverse Split Brim ™ packs small and flat
  • bluesign® certified crown liner and sweatband
  • UPF 50+ sun rating
  • US Patents D841,944 and 10,098,398
  • Weight: 2.9 ounces/82.2 grams


Sunday Afternoons stands behind their hats for as long as you stand under them. Materials and workmanship guaranteed for life,