Door skins, doors, and nested door skins

Nested door skins, comprising:

• first and second door skins each having an exterior surface and an interior surface and each comprising at least one inner panel, an outer body portion surrounding the at least one inner panel, and at least one contoured portion surrounding the at least one inner panel and interconnecting the at least one inner panel to the outer body portion, the at least one contoured portion is recessed from the at least one inner panel and the outer body portion and includes a center base portion, a first sloping portion interconnecting the central base portion with the outer body portion, and a second sloping portion interconnecting the central base portion with the inner panel, the first sloping portion including a first angled portion that is continuous with the outer body and a first bump having a first convex exterior surface that extends convexly continuously from the first angled portion to the center base portion, the second sloping portion including second and third bumps, the second bump is continuous with the center base portion and has a second convex exterior surface that extends convexly continuously from the center base portion to the third bump, the third bump is continuous with the least one inner panel and has a third convex exterior surface that extends convexly continuously from the second bump to the at least one inner panel,
• wherein the first and second door skins are nested with one another with the interior surface of the first angled portion, the first bump, the second bump, and the third bump of the first door skin respectively directly contacting the exterior surface of the first angled portion, the first bump, the second bump, and the third bump of the second door skin.