Abstract: Swimsuits are provided which include an outer shell made of a flexible stretchable fabric, a thoracic reinforced region arranged in an anterior thoracic region of a trunk portion of the swimsuit and having an anterior-downward converging shape, and an abdominal reinforced region arranged in a lower abdominal and hip region of the trunk portion and having an anterior-upward converging shape, two non-reinforced waist regions arranged in opposite lateral waist regions of the trunk portion and having both a medially converging shape, wherein the thoracic reinforced region, the abdominal reinforced region and the non-reinforced waist regions border in an X pattern in an anterior region of the trunk portion. Methods of making such swimsuits are also provided.

Abstract: A swimsuit (1) has an outer shell (2) made of a flexible stretchable fabric and forms a tubular trunk portion (6) and two tubular thigh portions (7), the swimsuit (1) comprising two back stiffening lines (8) continuously connected to the outer shell (2) and extending each in a generally longitudinal direction of a one of the thigh portions (7) from a rear region (9) of the thigh portion (7) across a rear region of the trunk portion (6), in which said back stiffening lines (8) have a tensile stiffness greater than a tensile stiffness of said outer shell (2).

Abstract: Swimsuits are provided which include an outer shell made of a flexible stretchable fabric, a thoracic reinforced region arranged in an anterior thoracic region of a trunk portion of the swimsuit and having an anterior-downward converging shape, and an abdominal reinforced region arranged in a lower abdominal and hip region of the trunk portion and having an anterior-upward converging shape, two non-reinforced waist regions arranged in opposite lateral waist regions of the trunk portion and having both a medially converging shape, wherein the thoracic reinforced region, the abdominal reinforced region and the non-reinforced regions border in an X pattern in an anterior region of the trunk portion. Methods of making such swimsuits are also provided.