OLUKAI. 20437-0X6N. WOMENS HO OPIO HAU. ONYX WITH HAU. Gentle trade winds warm ocean waters and year-round sunsets that you can t just turn away from - Hawai i might just be the perfect place to rejuvenate the soul. Clean slim and playful with the colorful hibiscus flower artwork we captured that spirit in the Ho opio Hau a sandal that rejuvenates your step all day long.