The best way to find the correct glove size is to use the glove size chart on www.specialized.com/us/en/bc/SBCEqSelectSection.jsp?scid=1012& pscid=1007" Select the glove you are interested in, at the bottom of the glove's description you will see a hyperlink labeled
All gloves are designed differently, so sizing may vary from model to model. The size chart for each model will provide you with a list of hand measurements that correspond with each size. It will also provide step by step instruction on how to measure your hand.
If you are still unsure, visit your local Specialized dealer and try before you buy.