Sunday Afternoons Ultra Adventure Hat – Jade Medium Size


After interviewing three dermatologists, an ultra-runner, four ultra-hikers, and field-testing a total of 200 hours, we’re convinced the sun hat that works best is the one you’ll actually wear. A unanimous favorite among testers, Sunday Afternoons Ultra Adventure Hat provides the best balance of coverage and breathability and is unobtrusive enough that you can forget you have it on.

With a slimmer silhouette and fun technical details like a folding Reverse Split Brim and Sunglass Lock, the Ultra still retains the sun protection, ventilation, and moisture management of the iconic Original Adventure Hat.

1 in stock



  • UPF 50+ Sun rating
  • 8.5 brim and 15 neck cape
  • Sunglass lock keeps glasses in place
  • Wicking sweatband
  • PFC-free durable water repellent finish
  • Adjustable chinstrap
  • Adjustable sizing
  • Crushable design is travel friendly
  • Sizes : Men and Women’s – S/M, L/XL (see hat sizing chart)
  • Designed in USA

Washing and Care Instructions:

  • Hand wash cold, line dry. Do not bleach, iron, or dry clean.
  • Brim folds for compact packing

Product Details


Colour of Product:
Cinder, Cinder/Grey, Eucalyptus, Jade, Lavender, Wild Orchid, Pumice
Primary Material:
88% Nylon, 12% Polyester Dobby
0.074 kg
8.5 cm Sides, 15 cm Back Flap
Medium (M), Large (L)


Sizing Chart

Small/Medium: 55.2 cm – 58.4 cm (21.75″ – 23″)

Large/X-Large: 58.4 cm – 63.5 cm (23 – 25″)

NOTE: 98% of adults fit easily in these sizes. To measure your head, circle the crown of your head with a string or dental floss (above eyebrows and ears). Use a ruler to measure the string and compare to the above chart. Upon receiving your hat, loosen or tighten the rear sizing system (if applicable) for a custom fit. Fit the hat slightly above eyebrows and ears to allow front and peripheral vision. Crown fabric should remain loose.


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