Reesee is 2.8 lbs and the easiest harness for her to wear I got for her at Petsmart. Shhhh dont tell her... its a ferret harness! Haha! It was the only one that would fit her, all the dog and cat ones were too big...
She has it in red, here is a link...
http://www.petsmart.com/product/inde...amily&keepsr=1