What happens when you take proven Chaco technology like pull-through adjustable webbing straps andLuvseat PU footbed and marry it with modern design? It might look something like the Chaco Men's Z/VOLV Sandals. Featuring contemporary aesthetics, classic Chaco design features, and an airy PU compound that's softer underfoot and 20 percent lighter than Chaco Classic Z sandals, the Z/Volv is the ultra-light sandal you've always wanted. Material: Polyester.