Features: Maneuver and assist dogs up and over obstacles. Five points of adjustment for an optimal fit. Aluminum V-ring at the center of the back, and a webbing tow loop at the rear. Foam-padded construction for comfortable extended wear Anatomical design and padded handle provide balanced lifting Two leash attachment points: aluminum V-ring and reinforced webbing loop Sizing: XS:17-22 in S:22-27 in M:27-32 in L/XL:32 - 42 in