Premium Collection by Janasya. You'll fall head over heels for this top-notch half-sleeve top designed by Janasya. This blue and black checked woven top, has a mandarin collar, pin tucks detailing, half sleeves, mock wooden button placket and an A-line silhouette. Meeting friends for a simple snack out is as simple as rolling up the sleeves on this blue piece and pairing with tonal shorts during the warmer months.