Harken Sport Women's Antigua Sandal synthetic upper /, rubber outsole Imported Quick-drying materials with padded neoprene inside straps to prevent chafing or blisters Radial knife-cut tread technology moves water away from the sole more effectively Proven 360 degree radial traction system Orthotic grade arch, heel & metatarsal support for comfort and whole body alignment Protective rubber toe cap Quick-drying materials with padded neoprene inside straps to prevent chafing or blisters