I don’t know this product first hand, but it looks like a good UL shell. 7oz and $35.
http://www.ems.com/catalog/product_detail_square.jsp?PRODUCT%3C%3Eprd_id=845524442589937
While you’re at it, they have the Mountain Hardwear Phantom Anorak Jacket
in a couple sizes for $28.
http://www.ems.com/catalog/product_detail_square.jsp?PRODUCT%3C%3Eprd_id=845524442589237

