A curved bypass door suitable for a shower or bath comprising a first door, a second door set back from the first door, and an upper track made of aluminum. In one aspect, the upper track has a lower rail adapted to receive a first roller for the first door and an upper rail adapted to receive a second roller for the second door. In another aspect, the upper rail is adapted to receive the roller of the second door and the lower rail is adapted to receive and fixedly hold the first door. Each door curvature such that both doors together form the curved bypass door. The upper track is curved to match the shape of the curved bypass door.