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There are three elements that will tell you whether the garment you are considering is of good quality. First, is the piece suited for its use? Is its design appropriate for how you'll use it? If the item is going to be worn frequently for work you won't want to dry-clean it. Party clothes should 'breathe' to allow for dancing in comfort. You get the idea. Fabric selection and fine sewing are the other two elements of quality garments. Take the time to learn a little bit about fabrics. Some combinations are prone to wrinkle. Others lose their shape after a few washings. If you don't know about fabrics, ask your friends or a knowledgeable salesperson. Many savvy shoppers say that they can tell a good fabric by just feeling it even with their eyes closed.