Shirt, and other articles of clothing

A shirt comprising:

• a right-side sleeve;
• a left-side sleeve;
• a front area to cover a chest of a wearer;
• a back area to cover a back of the wearer;
• a right-side decoupling region to decouple movement of the right-side sleeve from movement of the front area and the back area such that movement of the right-side sleeve, which is recreated by the wearer, that does not cause the movement of said front area and said back area;
• wherein the right-side decoupling region entirely separates between (a) the right-side sleeve, and (b) said front area;
• wherein the right-side decoupling region entirely separates between (c) the right-side sleeve, and (d) said back area;
• a left-side decoupling region to decouple movement of the left-side sleeve from movement of the front area and the back area such that movement of the right-side sleeve, which is recreated by the wearer, that does not cause the movement of said front area and said back area;
• wherein the left-side decoupling region entirely separates between (A) the left-side sleeve, and (B) said front area;
• wherein the left-side decoupling region entirely separates between (C) the left-side sleeve, and (D) said back area;
• wherein the right-side decoupling region comprises a front side and a back side;
• wherein each one of the front side and the back side of the right-side decoupling region comprises fabric knitted as expanding or shrinking accordion component that comprises a single panel comprising one or more stitch lines which run across said single panel to form a plurality of panels, and is confined by the following borders:
• (A) a first line (251-252) defined between a first point (251) and a second point (252);
• wherein the first point (251) is located between a neck area of the shirt and a shoulder-arm connection area of the shirt;
• wherein the second point (252) is located (i) between said shoulder-arm connection area and a top portion of an arm region of the shirt, and (ii) below said shoulder-arm connection area of the shirt;
• (B) a second line (252-253) connecting the second point (252) to a third point (253),
• wherein the third point (253) is located at the bottom side of the right-side sleeve 201,
• wherein the third point (253) is located at the top-third of the bottom side of the right-side sleeve;
• wherein the third point (253) is located between:
• (a) a fourth point (254) that is located under a right armpit region of the shirt, and (b) a fifth point (255) that is the lowest point of the right-side sleeve;
• wherein the third point (253) is closer to the fourth point (254) than to the fifth point (255);
• (C) a third line connecting the third point (253) and the fourth point (254);
• (D) a fourth line (254-256) connecting the fourth point (254) downwardly to a sixth point (256),
• wherein the sixth point (256) is located along the right-side contour or the shirt,
• wherein a distance between the fourth point (254) and the sixth point (256) is equal-or-greater than a distance between the second point (252) and the third point (253);
• (E) a fifth, curved line (256-251) connecting the sixth point (256) and the first point (251).