A protective tendon boot for protecting horse legs includes an essentially rectangular padding, where the padding includes two longitudinal edges which run in the longitudinal direction of the leg when fastened on the horse leg. A zipper includes having two zipper halves), each of the zipper halves is located being situated in the area of one of the longitudinal edges of the padding, and an overlapping section which covers the entire zipper when the protective tendon boot is fastened on the leg.
