Absolutely! Clothing is one of the largest categories on eBay. Here are some resources to help you:
How to Make Money on eBay Selling Used Clothing
How to Make Money on eBay Selling Used Shoes
How to Take Good Photos for eBay
You can
download my free guide of eBay How-Tos for more articles like this, specific clothing items that sell well, etc.
And here is a
list of thrift store items that do well on eBay. Many are clothing items.
Hope that helps!