to me modesty is being comfortable and simple (it doesnt mean without style) ,without intention to draw attention to the outside ,i believe nobody wants that in the end , but be recognized by what they have inside. the question we should always ask is why , why am i going to buy this or that item , is it going to bring glory to God somehow? is it going to be a barrier when dealing with someone (guys, older people etc) ? i once heard or read somewhere that we should always dress taking into account what Jesus would think if He were by our side , that sums up modesty i think.
its also true that there are people who aren't yet aware what impact how they dress will have on other people, sometimes because that's all they have and still their hearts dont condemn them . now if this or that piece of clothing will look immodest ,i think that'll depend on the body , on the material of the clothes, the cut etc. for example, skinny jeans on skinny legs will look different than skinny jeans on more voluminous and "curvy legs", a child with a 2 piece bathing suit doesnt look immodest but a woman .... then it's another story.... it would be helpful if u managed to find out what a godly man thinks.