Merrell® Siren Edge 3 Hiking Shoes are fine-tuned to YOUR comfort. Knowing that a female Q-angle is different from a male, the Q-FORM 2 midsole is designed to provide stability through your unique stride. Plus, the Kinetic Fit TRI insole provides 3X the arch support while remaining lightweight. And with a Vibram TC5+ outsole at your feet, you get the traction you want for a variety of terrain. All with edgy athletic style.