I found some "cold gear" brushed shirts similar to underarmor on ebay for $20 each. they're pretty nice as a base layer.
http://www.ebay.com/itm/Compression-...item2c6499edeb
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2010 Kestrel RT900SL, 800k carbon, chorus/record, speedplay, zonda
2000 litespeed Unicoi Ti, XTR,XT, Campy crank, time atac, carbon forks