Kourtney Kardashian relaxes in her signature style poolside while wearing an Onia yellow striped seersucker bikini. Relaxed, casual and effortless, the pieces imbue a sense of holiday ease. This sunshine yellow striped seersucker bikini from Onia features a top with thin adjustable straps, a balconette style, underwired cups, a back clasp fastening and a seersucker finish, as well as matching bottoms featuring a high waist and a lace-up detail to the front.