Outdoor Research Ferrosi Radar Cap


Sold Out
We'll tell you when there's more:


Add to CartUnavailableNotify MeSpecial Order
, - (Sku )
(% off)
  • Select an item for delivery date
    via standard shipping  
    Special Order: Enter a zip for delivery date
    Estimated to ship - details
    Enter a zip for delivery date
    Estimated to ship - details 
    Special Order - Delivery: ,  
    Estimated, via standard shipping  
  • $ extra handling fee
  • 30-day Guarantee & Easy Returns
  • Available within the U.S. only
  • CS: Ships from
  • CS: on hand


Get out of the sun while you’re in the sun with the Outdoor Research Ferrosi Radar Cap. Stay protected and shaded with this durable and breathable soft shell fabric cap. Stylish and stretchy, with a folding brim for storage, abrasion-resistant fabric, a TransAction™ headband that keeps sweat at bay, and a zippered pocket, this hat has it all.


  • Fabric: 86% nylon, 14% spandex
  • 100% nylon under brim
  • Breathable
  • Stretch fabric
  • Abrasion-resistant
  • TransAction™ headband
  • Folding brim for storage
  • Side pocket with security zipper
  • Weight: 1.9 oz, 54 g (L/XL)

Find More

Review Summary

4.8 out of 5

4 Reviews

  • Build quality: 4
  • Performance: 4
  • Ease of use: 2
  • Great design: 2

  • sizing: 1
Quality: 5 / 5
Comfort: 4.8 / 5
Durability: 4.8 / 5

4 Ratings & Reviews

Comfort: 5 / 5
Durability: 5 / 5
Quality: 5 / 5
from Geneva, IL
55-64 yrs

Comfortable & Compact
April 29, 2013

This is a good looking cap that is comfortable, breathable, and compact for storage. Lost one kayaking in the Atlantic three weeks ago and just had to order a new one.

Pros: Great design, Build quality, Performance, compacts for storage
Comfort: 4 / 5
Durability: 4 / 5
Quality: 5 / 5
from Yale, Mi

Ferrosi Radar Cap
February 14, 2012

Nice cap. I use it to put in my saddlebags and works great for motorcycling! I would recommend however if you wear a size large I would order the medium size as the large is to big for me.

Pros: Build quality, Performance, Ease of use, Great value, Cons: sizing
Comfort: 5 / 5
Durability: 5 / 5
Quality: 5 / 5
from Minneapolis, MN
35-44 yrs

May 13, 2013

I've owned OR hats for years now and LOVE them!! They have not only lasted for years, but still look brand new and have kept their shape after several washings and many excursions!

Pros: Great design, Build quality, Lasts forever, Performance, Ease of use, Great value
Comfort: 5 / 5
Durability: 5 / 5
Quality: 5 / 5
from Indianapolis, IN
35-44 yrs

Best Hat
September 06, 2013

I've owned this hat for over a year and wear it nearly everyday. That said, it still looks brand new after numerous excursions and being washed several times; it hasn't faded, the elastic hasn't stretched, nor has a single stitch popped. It's a great looking hat which earns compliments often. OR makes excellent gear.

Pros: Build quality, Lasts forever, Performance

Also Available

Outdoor Research Ferrosi Radar Cap Photo

Black, Cairn, Diablo, Evergreen, Glacier and Pinon.

Available sizes, while supplies last, include size s/m and size l/xl: s/m, l/xl.

  • Talk to Us:
    (800) 369-3949
  • We're Available:
    Mon-Fri: 7:30am-4:00pm PST
    Sat-Sun: CLOSED