Kasina is a brand founded by former professional skateboarder EunHyuk Lee in 1997 and enjoys a high reputation in the field of Korean street fashion. The design of this collaboration with NK also conveys that Kasina's "travel" is inspired by the traffic elements in this "travel". The main color green in the green version is from the main highway between Busan and Seoul. It was extracted from the sign of the highway Gyeongbu Expressway. Followed by "Busan" (Busan) and "Seoul" (Seoul) embroidery to point out the theme.
In the mid-1990s, in order to follow the growing popularity of street culture in the United States, NK chose street skateboarding as an entry point to expand the field of sports brands. The NK Dunk SB, which was born in 2002, is an improved version of the retro shoe specially developed by NK for skateboarding. NK SB Dunk, the full name of Dunk Low (Hi) Pro SB, the full name of SB is Skate Board, namely skateboarding. Dunk SB, as the name suggests, has the classic Dunk blood ties, and has injected more fashion elements.