Silmu is a stylish sewing pattern duo that includes a loose-fitting shirt and a midi-length shirt dress. Both variations feature a distinctive overlapping collar. The shirt variation also includes breast pockets, a back pleat, long sleeves with cuffs, and an uneven hem with side slits. The waist pleats of the dress variation make it loose at the top, while the skirt is lightly fitted. The dress also has pleated half sleeves and a tie closure at the back.