This depends on which part of Seattle you live in. In downtown Seattle there is a great sports store called Sounds Sports. Take a look at their website soundsports.com. If you live in West Seattle you should check out West Seattle Runner. If you need directions visit their website www.westseattlerunner.com/running-gear
You can get running clothes at many places. Some places where you can look is www.roadrunnersports.com or www.athleta.com/products/running-clothes.jsp.
If you want to buy running clothes from Adidas, it is possible because they sell outdoor running wear, shoes, and more.
There is an end of the season sale at the Running Clothes Store. You can save 50% on Adidas running wear. With a purchase of $50 or more you also receive FREE shipping.
Yes, you can buy cute running clothes online. For a female I would recommend, Forever21 or Victoria Secret, they carry a cute line of adequate and low price running clothing. For men, I would recommend Columbia.
Runnersworld.com offers some very cheap running clothes online. They offer a variety of clothes from head to toe all for under 100 dollars as experimented by their editors.
REI Seattle, Washington is a great store for exercise clothes and equipment. Plus they have a large selection of out doors activities such as camping, biking, and even snowboarding.
You can buy running clothes online from Roadrunnersports.com. You can also find this type of apparel at REI.
Since running clothes still fall into the category of "clothes" it is likely that you'd be able to buy some at a department/clothing store. Athletic stores (i.e Sports Authority) would probably be a good place to look as well.
Yes, the national running center is a great place to buy fitness items. They have everything you need including clothes, shoes, hats, etc. Whatever you need to stay fit, it is there.
There are various running apparel outlets that specialize in running clothes and accessories such as, runoutlet, saucony, and gone for a run. Here you can purchase anything from running shoes, running apparel, and running headbands.
Yes, you can buy women's running clothes online. They are available in multiple online stores such as: theclymb.com, runoutlet.com/Women's-Running, adidas.com/running, and roadrunnersports.com
There are brands like Nike and Adidas that offer clothes for that specifically, and you can always check on their official website and buy there. If your budget is limited, then you have other places like amazon where you can find more "budget friendly" clothes