It is Chinese size and smaller than the USA size.
Please check the size carefully.
US 27=China 28Length41.73"(106cm),Waist27.56"(70cm),Hip36.22"(92cm)
US 28=China 29Length42.13"(107cm),Waist28.74"(73cm),Hip37.40"(95cm)
US 29=China 30Length42.52"(108cm),Waist29.92"(76cm),Hip38.58"(98cm)
SportsX Mens Casual Pocket Easy Care Straight Business Plain-Front Pant Black B07HQ6JR99
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