A rubber crawler that has a specified rotation direction. includes a crawler body, rubber projections and lugs. The lugs project out from an outer peripheral face, extend at an angle to the crawler peripheral direction from an inner side end portion toward the crawler width direction outer side and toward an opposite side to a crawler rotation direction with a larger angle at an acute angle side with respect to the crawler peripheral direction on the crawler width direction outer side than on the central line side; have inner side end portions of lugs adjacent to each other in the crawler width direction respectively overlapping a single projection of the projections, and are disposed at positions separated in the crawler width direction with the inner side end portions adjacent to each other in the crawler width direction respectively overlapping each other when viewed along the crawler width direction.