I was so excited when one of my very favorite brands -- prAna -- asked if I wanted to try a pair of Stretch Zion pants. The catch? I would have to wear the pants for SEVEN consecutive days! I knew right away the #7DayStretch wasn't going to be a problem. I practically live in my prAna shorts and yoga capris all summer. And with our Yosemite camping trip coming up, a pair of prAna Stretch Zion pants would be the perfect addition. They are ...