Women's Siren Edge 3 WaterproofThis capable hiker is designed around the unique shape of a woman's foot and features an extremely sticky Vibram Megagrip sole for traction even when it's wet. Features M Select DRY BARRIER impermeable membrane seals out water and lets moisture escape Waterproof mesh and 3D printed TPU upper Traditional lace closure Kinetic Fit TRI removable contoured insole provide light support to all three arches of the foot Molded nylon arch shank Vibram TC5+