Have you looked at Target? I can't say if they are wee-wee friendly but they had some really cute things I didn't get to look very long I was getting the "how many coats does one dog need to visit OUR backyard speech"...lol poor hubby.

 

I had the same problem, I just cut the underneath up to where it needed to be as all the clothes seem to be unisex?

 

I swear it's almost impossible to find clothes that fit the chihuahua body well. If you can't find anything in the stores, you could order something custom off of etsy. I know a lot of people will do custom jackets with your dog's measurements and some even have specific designs for chihuahuas. I haven't personally bought any custom dog clothes, but I think that's where I'm headed for Odie's winter jacket.

 

It is hard to find clothes to fit a chihuahua's shape, isn'it? I've found some Zack and Zoey stuff that has a cut out for the boys and also a brand called Casual Canine. I've also ordered some stuff off Etsy, mosr recently a sweater made from a used cashmere sweater for humans. Lots of nice folks on there willing to do custom, some of it reasonably priced.

 

I found some good handmade inexpensive fleece hoodys on ebay, with larger cut outs, so no pee problem,also got some nice boy clothes that dont get peed on frm puppy angel and puppy zang, but they are quite expensive.hope you find something cozy soon xxx