Description of Chaco Z/2 Unaweep Sandals - Women's With a focus on forefoot control, the Z/2® features a wrap-around toe loop that keeps your feet locked to the footbed. Chaco's easily adjusted pull-through strap system features soft polyester webbing that dries fast and maintains a consistent fit, making the Z/2® an ideal choice for the most demanding endeavors. Features: BioCentric footbed Wrap-around toe loop Polyester webbing Pull-through strap system