Joined: Apr 2009
Posts: 20
Likes: 0
From: Santa Fe, New Mexico & San Juan Del Sur, Nicaragua
Bikes: '72 Colnago, 84 Trek 600, 87 Specialized Sirrus, 87 Specialized Rockhopper, '04 Cannondale Optima, '06 Motobecane 600HT, 08 Motobecane Single Speed
Many ebay sellers give measurements of their jerseys, usually armpit to armpit, collar to hem.
Measure one of your t-shirts that you like and compare.
Sizes seem to run small, even in "Club Cut" - but there are some great deals.