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Bandana SPF
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Paul Cronshaw
(beemancron) - F

Locale: Southwest US
Bandana SPF on 07/02/2008 10:39:26 MDT Print View

Many hikers use a baseball hat and bandana for sun protection. I am interested in knowing what the SPF is for a bandana.

Ryan Krause
(rmkrause)

Locale: Pacific Northwest
RE: Bandana SPF on 07/02/2008 11:01:48 MDT Print View

There are special SPF rated bandanas from brands such as Ex Officio.

If you are talking about a regular cotton bandana - what color is the bandana? Dark colors protect better than light. If the cotton is wet (from sweat or you doused it to cool off), that can diminish it's SPF value. I'd also imagine it would depend upon how it's worn - a single layer draped or rolled up and knotted.

Paul Cronshaw
(beemancron) - F

Locale: Southwest US
SPF Bandana on 07/03/2008 23:48:24 MDT Print View

I found these SPF bandanas at Coolibar. They report 98% UV absorption.

http://www.coolibar.com/01012m.html

John S.
(jshann) - F
Re: Bandana SPF on 07/07/2008 08:57:23 MDT Print View

Fabric UV protection is rated in UPF. A regular cotton bandana would have a very low UPF rating. The posted url for that spf bandana..the bandana has been treated with a UV coating.

Jim W.
(jimqpublic) - MLife

Locale: So-Cal
Whitens and Brightens! Detergent improves UV. on 07/07/2008 09:54:06 MDT Print View

I've never gotten sunburned through clothes, and I'm pretty pale. I worked outdoors as a land surveyor for several years and generally wore cotton T or polo shirts with lots of sunscreen on my arms. Even with SPF 30 or more on exposed skin, my upper arms and shoulders showed virtually no tan, while the exposed portions were quite dark.

I have read somewhere that commercial detergents with non-chlorine "whiteners" improve a fabric's UPF over many wash cycles. A little Googling got me the following document, where 10 washings in "Tide with Bleach" increased cotton's UPF by about 500%:

http://digitalcommons.unl.edu/cgi/viewcontent.cgi?article=1001&context=textiles_facpub

"University of Nebraska - Lincoln Year 2004
Improving Knit Fabric UPF Using
Consumer Laundry Products: A
Comparison of Results Using Two
Instruments
Jihyun Kim  Janis Stone † Patricia Crews ‡
Mack Shelley II Kathryn L. Hatch ††".

Jim

Edited by jimqpublic on 07/07/2008 09:56:59 MDT.