This is the lower torso and upper legs of a striding male figure wearing a pleated kilt. The right hand holds a folded cloth. A part of the back pillar remains.
From Nubia (Sudan), Kerma, K III 2(1)b. 1914: Excavated by the Harvard University–Boston Museum of Fine Arts Expedition; assigned to the MFA by the government of Sudan.
Harvard University—Boston Museum of Fine Arts Expedition