Material: denim. That's common practice in Chinese factory. You may cut the hole simply with scissors along with the stitch. The Size is Asian size. We suggest you buy one or two sizes larger. S: waistline 76cm/29.9 in, thigh 60cm/23.6 in, calf 39cm/15.3 in, hipline 102cm/40.1 in, leg opening 28cm/11.0 in, length 101cm/39.7 in.
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