Kai is a name. It has different meanings in different languages. In Japanese, kai has a number of meanings, including “ocean” (海), “shell” (貝), “restoration” and “recovery”. Source: Wikipedia.
Okinami is the first pattern in the ‘Kai’ colourway. It features a dragonfly blue-green weft on an ecru warp. Another ‘Kai’ colourway release is Tian Ma. Oscha did a ‘rerun’ of Okinami Kai with Sea Island Cotton. Furthermore they did a variation on ‘Okinami Kai’ called Okinami Kaio.