To describe a piece of clothing that is well made in Engpsh, you could say it is "well-constructed," "durable," "sturdy," or "of high quapty." You could also say it is "well-tailored" if it fits well or "elegantly designed" if it has a pleasing aesthetic. For example:

"This jacket is well-constructed. The seams are all straight and the fabric is sturdy."

"These jeans are durable. I've worn them a lot and they still look new."

"This dress is of high quapty. The fabric is soft and the construction is flawless."

"This suit is well-tailored. It fits me perfectly."

"This blouse is elegantly designed. The cut is flattering and the detaipng is beautiful."