It may seem like it can’t be done. How could a blowout possibly last through a sweaty, mirror-steaming spinning class at NYC’s SoulCycle studios? Well, I’ve done it. And I’m here to tell you how.A ponytail is not enough, and most anyone who stopped their hair-preserving efforts there knows this. You need to step it up a notch. Here’s exactly what to do:1. Step one — begin with a high ponytail at the crown of your head. Use a thick elastic (use two if you have long hair) which “crimps” hair less than the skinny ones do.2. Step two — wrap your hair around the elastics into a bun. DON’T twist the hair before wrapping it like you would with a traditional bun, as that twisted shape + the humidity of the room will curl your hair more than you want.Simply wrap your hair around the elastics without twisting the ponytail before-hand. 3. Step three — clamp a claw clip around the length of your bun vertically, so that one end is against your head and the other end sticks up from your head. No one cares how it looks. This is a workout class, hun. 4. Step four — take the thickest terry headband you can find (I got mine at American Apparel) and place it starting right at your hairline, so that you don’t see any hair sticking out in front of it.What’s location got to do with it? I tested this when I took a 1pm class at Union Square with Jolie, who is AWESOME. I sat in the back row, and though the class was full, the room was noticeably less sweaty than, say, a 7:30pm class on the Upper East Side with equally awesome Nick. Union Square seems to be the least humid of all of the studios, and sitting in the back (which I usually don’t do) might have helped, too.The final touch. When you finish the class, immediately remove the terry headband and use a towel to soak up any sweat that it missed, gently using the towel to press against your hairline and then “brush” your hair back from your face, circling all the way around your head. Wrap a towel around your hair and leave it there while you shower. When you’re done, take a blow dryer and direct it at your hairline, slowly circling around your head to completely dry your hair. Remove the clip and elastics, shake out your hair, and give your scalp a quick spray or sprinkle of dry shampoo. (Try this one. Or this one.)Then, just use a brush to distribute it, and your blowout should look pretty darn good! Experiment and let me know if this works for you.Finally, if anyone reading this is wondering why I wrote this, you obviously: A. Have a pixie cut B. Don’t ever have to fit in workouts before work or on your lunch break C. Have hair that naturally dries perfectly with no tools or time required D. All of the aboveAnd congrats to you. But this how-to is not for you. This is for the rest of us who don’t have time or energy to blow-dry our hair after every workout. High five to us all.