As they offer a large selection of yoga pants, the web site oldnavy.com is your best choice to find yoga pants on sale. They currently offer a sale on several brands of yoga pants, with a wide selection of sizes and colors to choose from, along with matching tops. Many have as much as $2-$3 off the tag price.
There are many places online to buy yoga pants. lululemon.com has quality yoga pants, but if you're looking for something a little cheaper, victoriassecret.com sells some, as well.
Usually, when the studio requires "dance pants", it would mean jazz pants. You could buy actual jazz pants or just something similar, like black yoga pants.
I would say to buy them somewhere such as Goodwill. They have just about everything and they're cheap.
If you are have never owned a pair of track pants, but I am interested in trying them out than I would suggest Dick's Sporting Goods is a good store to buy track pants .
Hollister, Abercrombie and Fitch, Aeropostale, and Love Coulture are good places
Tripp pants can be purchased on Amazon the online store. This store has a good list of things you can buy including these pants from different styles, to different brands.
at a shooting store
At a farm sale.
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When purchasing yoga pants, you will see size choices such as small, medium, large, and extra large. Small pants are for women who wear sizes 0-6, medium for sizes 8-10, large for sizes 12-14, and extra large for sizes 16-20. If you see XXL, that is for sizes 20+.
There are many companies and websites that offer short pants for men and women for sale. Some of these companies that offer short pants are Amazon, Macy's and Polyvore.
You can either buy them in stores: One of the best places to find cheap yoga apparel of all sorts is a second-hand store such as Goodwill or Savers. While the selection may not be as wide as a retail store, the prices will be far less and sometimes you can find brand-name pants and tops on the racks in excellent condition. Retail stores such as Target also sell workout pants that are similar to yoga pants. This can be a nice combination of choosing from a wide selection and a reasonable price. Or online: The advantage of purchasing yoga pants online is that you'll have a much more diverse selection of materials and often some excellent prices, though you will usually have to pay for shipping.