Today is of course Rey...who's last name we "don't know." **Spoilers Ahead** (though by now you should've seen the movie): She is also a bad mamma jamma and a brilliant pilot...which I assume "runs in the family." I apologize for the quotation marks, but I'm pretty sure she's a Skywalker. Anyway, Rey is a fierce fighter, and becomes even more fierce as a Jedi bad-ass! That's why this outfit is based around outdoor terrain running...but also so you can use a bo staff like Rey (and Donatello) would!!
And here's a hand-holding/bo-staff swinging playlist:
Is there a Workout Cosplay you'd like to see? Let me know in the comments, or, tweet me: @Joie_Fatale!