"Organic cotton" may sound like an easy way for clothing stores to charge an extra twenty bucks for an otherwise ordinary T-shirt, but the truth is organic matters as much in what you wear as it does in what you eat.

Some experts say a quarter of the insecticides in the United States and a tenth of all the world’s pesticides are devoted to dousing cotton. Of these pesticides, seven of the top 15 are either known or suspected to be carcinogens. First, think about what those chemicals could be doing to your skin, and what toxins you may be inhaling every time you put on a new tee shirt.

In the midst of a screened t-shirt fashion frenzy, it seems like everyone’s chest is emblazoned with some sort of identity pronouncement. The yogic are no exception. The calm and the flexible send out subtle and obvious messages across their chests––some of it’s gaggingly commercial and tacky, but some of it reaches out and grabs me by the demographic. Here are some recent yoga-themed t-shirt finds: