Arm warmers are kinda nifty. They're just sleeves that turn a short-sleeved jersey into a long-sleeved jersey. They're light-weight and you can slip 'em off as the day warms up. (There are leg warmers that serve a similar function). Here's and example:
http://www.performancebike.com/shop/...slisearch=true
And no, DeeGee, it never ends.
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