Chaco Men's Z1 Unaweep Sandal 100% Textile Imported Synthetic sole Heel measures approximately 1" Platform measures approximately 0.5" Polyester jacquard webbing upper wraps around the foot and through the midsole for the ultimate customized fit^Adjustable and durable high tensile webbing heel risers^Custom injection molded ladder lock for a secure hold^Durable luvseat polyurethane footbed with slip resistant classic diamond pattern design^Non-marking unaweep outsole with vibram tc-1 rubber and 45 millimeter lugs for maximum traction and durability on land and water