Abstract: A pet animal mobility aid for four-legged pet animals includes central strap extending longitudinally between a forward end and a rearward end for placement along the back of the animal, a forward strap assembly for affixing the forward end of the central strap to the animal adjacent the forelegs of the animal, a rearward strap assembly for affixing the rearward end of the central strap to the animal adjacent the hind legs, the rearward strap assembly including a relatively flexible first rearward strap extending transverse to the central strap and attached to the central strap adjacent the rearward end of the central strap for establishing a first rearward loop extending from the central strap between one of the hind legs and the abdomen of the animal, a relatively flexible second rearward strap extending transverse to the central strap and attached to the central strap adjacent the rearward end of the central strap for establishing a second rearward loop extending from the central strap between the other of