Patent 8347412 was granted and assigned to Under Armour on January, 2013 by the United States Patent and Trademark Office.
A pair of athletic pants comprises a hip portion, and two leg portions extending from the hip portion. Each leg portion includes a knee portion configured to be worn over the knee of a human, the knee portion comprised of a first material. A slit is formed in each knee portion and a second material provided in each slit, wherein the second material has greater elasticity than the first material in at least two different directions. In at least one embodiment, each slit in the knee portion is in the shape of a lens. In at least one other embodiment, each slit in the knee portion is in the shape of a symmetric lens. In at least one embodiment, the athletic pants are baseball pants.