Chaco Z/1 Classic Burnt Umber Comfort Slip Resistant Waterproof Sandal Product Description Streamlined and dependable since 1989, our classic series is comprised of only 8 component parts, making for the simple, timeless sandal design that made our name. Every pair comes standard with adjustable straps that custom-fits to your foot, a toe-loop for additional forefoot control, plus our podiatrist-certified luvseat pu footbed for all-day comfort and support. Now featuring Chaco grip rubber for our best performing classic outsole to date. Experience our classic sandal like never before.