The Aerogel warmth you trust, with the ActiveTemp™ moisture management you need. The Tundra Aerogel Beanie combines two of our favorite fabric technologies into one lightweight beanie that layers underneath a helmet for a snug fit, or can be worn on its own for extremely cold weather pursuits.Learn more about Aerogel technology right here.
Outdoor Research® gear is guaranteed to perform throughout the lifetime of the product. Get your gear back on track by filing a claim on our Warranty Page
Have a question? Problem? Other request? We’re here to help you find a solution.
Our customer service is waiting for your call at 855-967-8197, on weekdays Monday-Friday between 8am-5pm PST. If you prefer email, you can send your query to info@outdoorresearch.com
Thanks for getting in touch. We can’t wait to get you back outside with your gear.
Care
Machine wash cold. Do not bleach. Drip dry. Do not iron. Do not dry clean.
Hats size guide
Hats
Measurement shown in:In
Cm
Unisex
S
M
L
XL
US hat size
6¾” – 7”17.2 – 17.8
7⅛” – 7¼”18 – 18.4
7⅜” – 7½”18.7 – 19
7⅝” – 7⅞”19.3 – 20
Circum
21½” – 22”54.6 - 55.8
22¼” – 22⅞”56.2 - 58.1
23” – 23⅝”58.4 - 60
23⅞” – 24”60.6 - 61
Â
–
1 SIZE
S/M
L/XL
US hat size
––
6¾” – 7⅝”17.2 – 19.3
6¾” – 7¼”17.2 – 18.4
7⅜” – 7⅝”18.7 – 19.3
Circum
––
21½” – 24”56.2 - 61
21½” – 22⅞”54.6 - 58.1
23” – 24”58.4 - 61
How to measure
Measure around your head where the headwear would fit comfortably.
