Maternity yoga pants

Beth
I've been SO UNCOMFORTABLE in my clothes lately, even my stretchy capris feel uncomfortable on my belly. I went out in search of new workout capris. I found a longer style I liked at Target, but no capris. Nothing available online either. ? I also tried the Old Navy and Kohl's near me, but they had very little to choose from. 
Can anyone recommend another store that I can go try some on?