A seat trim cover management system for seat cushion length adjustment includes a seat cushion base having stationary portion and an adjustable portion wherein the stationary portion and the adjustable portion include a horizontal top surface and a vertical front surface. An adjustment mechanism is in mechanical communication with the stationary portion and the adjustable portion and is configured to manipulate the adjustable portion. A cover material includes a first end attached to the horizontal top surface of the stationary portion or the adjustable portion, and at least one seat cover management system is attached to a second end of the cover material and is configured to maintain tension between the first end and second end of the cover material while the cover material shrouds the gap created between the stationary portion and the adjustable portion when at the extended position.