A vehicle has a pillar supporting a roof of the vehicle at its rear corners. The pillar provides an anchor point for a third row seat belt. The pillar has a front wall facing generally towards the front of the vehicle, a side wall and a back wall. A seat belt loop member comprising three legs in the form of a T-shape is fixed to the pillar. The first, loop-leg carries a cantilevered belt loop. The second, pad-leg is substantially aligned with the loop-leg and has a pad for abutment against the front wall. The third, anchor-leg, lies substantially orthogonal with respect to the loop and pad-legs and lies against the side wall of the pillar and is anchored to said side wall. The arrangement reduces the amount of reinforcement required for the pillar.