charity:water 

When you purchase this t-shirt it give 5 years supply of clean water to 7 people. $35.00 of the purchase goes to charity:water, which is a non-profit organization which builds wells in developing nations for as little as $5000. 

You can buy this t-shirt for men or women at saksfifthavenue.com for $40.00, or this pair of bracelets for $10.00.