〇 This is the ace Docking Jersey Pants in gray, size 36, from maison special (メゾンスペシャル).
〇 There are no noticeable stains, but please be aware that there is a small spot on the rear (see attached photo 4).

The following is a quote from the official website:
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Sporty x lace design jersey pants
ー Fabric ー
This item features a catchy combination of different materials, with glossy jersey and feminine lace. The jersey material has a smooth texture and moderate luster, giving it a sporty look, and it is also highly elastic and comfortable to wear. It is lightweight and has a smooth feel, making it perfect for all seasons.

ー Style ー
The lace part is see-through, which gives it a sense of抜け感 (breathability/looseness) and prevents it from becoming too sporty. It is also recommended to style it as a casual item with a jacket or other clean items.