iMediaConnection: Best Practice at Product Demonstrations
We will never be able to feel clothing or try it on via the Internet. Well, at leat until we have true, functional virtual reality. Even with that barrier, online retailers are getting better at allowing users to get a better "feel" for what they are about to buy.
This article cites information from a Jupiter study about online purchasing mentality as well as examples of retailers who are succesfully bringing the user closer to the actual product prior to purchase.