WalkSmart Harbor Adjustable Strap Slide Sandals Rubber sole Quick-drying, synthetic nubuck upper is water-resistant. Fully-padded, adjustable hook-and loop strap lets you customize the fit. Contoured EVA footbed cushions feet, supports the arch and absorbs shock for long-lasting comfort underfoot. Flexible, non-skid EVA / rubber outsole delivers long-lasting wear and slip-resistant traction. Material Content: synthetic nubuck upper, EVA footbed, EVA / rubber outsole.