It feels like synthetics, but for some reason I like them best for training. Thin enough but not transparent, the length is excellent. I would take the size S, as M is still a little loose. Of course, the waist is not bad when it is a little loose, but the ass is not enough)

Came for 2 Tizhnya)

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satisfied with the fit and color, just a bit see-through but manageable

Me 10 out of 10