These are very warm pants! There are no noticeable stains or signs of wear. I haven't had many chances to wear them since I bought them, and they've become too small. I've worn them about 2 or 3 times. ◆Please note: These are imported goods. Compared to Japanese products, there may be some imperfections in the construction or loose threads. If you are looking for high-quality items like those made in Japan, or if you are seeking perfection, please refrain from purchasing. m(_ _)m