The top of this set is created with zipper on the sleeves. This peculiarity give the opportunity to make a different style with only one set. You can open all the sleeves, to the half or all close. Whatever you want to do the same with the pants. This pencil pants have two long zipper the ones you can open it or leave it close, pockets and elastic waist. The fabric is Anti-Static, Anti-pilling, Anti-wrinkle and Breathable.