Yes, there are many Brazilian workout clothing websites, you can easily purchase Brazilian workout clothing any major shopping websites like "Amazon" or "eBay".
The best place to buy little girl workout clothes would probably be at your local Wal-Mart or similar mass retailer. They have very affordable clothes for children and you have to see them to try them on first so its better than online.
You could try Wal-Mart or best buy or Sears they have great workout clothes or you could try these sites they have great workout clothes www.gap.com/products/women's-workout-pants.jsp , or this site www.lucy.com/
Some of the best workout clothes comes from the company Nike. They are great to work out in because they use a mesh type material which lets your body breathe as it works out.
A T-shirt and shorts
The best place for a beginner to buy their workout clothes is probably going to be Wal-Mart. If you continue to workout after a few weeks you might consider buying a higher quality but slightly more expensive product offline from places like amazon.com or bodybuilding.com. The internet offers the same product sports wear outlets do but at a cheaper price.
There are plenty of popular stores that sell plus sized workout clothes. Some of the best places are Walmart, Target and Kohls. The big box stores usually have plenty of good options. You might also try to find workout clothes online.
Old navy , fit maternity and gap are some online stores that carries best maternity workout clothes. The most important is you are comfortable on what you are wearing especially in your tummy area.
Victoria's Secret has some very comfortable, yet sexy, workout clothes that would flatter a variety of sizes and shapes. You can check their selection out online or in one of their stores.
The best place to buy a 30 minute workout online would be here at this web address: fittplan.com/30-minute-workout-plan. You can see some information at the web site before you buy it.
You can find great looking workout clothes at Sears or Wal-Mart or Best Buy or a sport shop. Or you can checkout these sites on sport clothes I am including www.ladyandtheblog.com/.../look-good-while-you-work-out-with- , and www.koshercasual.com/ModernlyModest/
There are a lot athletic clothing websites out there but your best bet to find discount workout clothing at the lowest price would be in "Overstock.com" or "eBay".
There is a place where you can go to find the best chest workout, which is called projectswole.com. there is a section that leads to the best workouts for other body parts, including the chest.