Description of Chaco Z/1 Unaweep Sandals - Women's Chaco's original design is still the go-to sandal for river guides and wilderness professionals. With the BioCentric™ footbed and sock-friendly open-toe design, the Z/1® provides a level of comfort and performance seldom found in a sport sandal. A single buckle and easily adjustable pull-through strap system holds your feet securely in every condition, making this ultra-durable style a top choice for outdoor adventurers. Features: BioCentric footbed Open-toe design Single buckle adjustment Pull-through strap system