Now of course it’s always yoga pants season on here, but out in the real world things change — like temperatures and wardrobe choices. While we haven’t thoroughly investigated the cause of this yet, the Fall always appears to have the highest number of girls in yoga pants in your general area at any time. Our theory is that yoga pants replace shorts and dresses in a girl’s wardrobe as the weather gets cooler from summer to fall. Other possible causes include shifts in the moon’s gravitational forces, and global warming. Here are 35 girls in yoga pants to celebrate this wonderful time of the year.