A leg protector made of an elastic material to protect a foot and a leg, the leg protector comprising: a bottom plate part configured to support the foot; and a protection part formed to be connected to an upper side of the bottom plate part and to surround at least a portion of a rear surface portion and a lateral surface portion of the foot and the leg, a toe cover part provided at an upper side of a front surface portion of the bottom plate part and formed to surround toes from an upward side of the toes; and a detachable coupling part formed at a position of one side of the toe cover part and configured to allow the toe cover part to be detachable even in a state in which the leg protector is worn, wherein the detachable coupling part comprises at least one elastic insertion piece (44, 144) formed at an end portion of the toe cover part toward the bottom plate part and an insertion hole (46, 146) formed at a position of the bottom plate part corresponding to the at least one elastic insertion piece (44, 144), and is configured to be fitted and coupled by an elastic force, characterized in that at least one protruding insertion piece is formed at a foremost end portion of the toe cover part, a recess into which the at least one protruding insertion piece is insertable is formed at a position of the bottom plate part corresponding to each of the at least one protruding insertion piece, a cover engagement part formed at a lower end of the at least one protruding insertion piece and configured to be inserted into a lower side of the recess and hooked to a cover engagement bump formed at the lower side of the recess, and a gap is formed between the recess and the at least one protruding insertion piece located at the foremost end portion of the toe cover part so as to allow the detachable coupling part to be released and the toe cover part to be pivoted and opened upward about the at least one protruding insertion piece located at the foremost end portion of the toe cover part. a bottom plate part configured to support the foot; and a protection part formed to be connected to an upper side of the bottom plate part and to surround at least a portion of a rear surface portion and a lateral surface portion of the foot and the leg, a toe cover part provided at an upper side of a front surface portion of the bottom plate part and formed to surround toes from an upward side of the toes; and a detachable coupling part formed at a position of one side of the toe cover part and configured to allow the toe cover part to be detachable even in a state in which the leg protector is worn, wherein the detachable coupling part comprises at least one elastic insertion piece (44, 144) formed at an end portion of the toe cover part toward the bottom plate part and an insertion hole (46, 146) formed at a position of the bottom plate part corresponding to the at least one elastic insertion piece (44, 144), and is configured to be fitted and coupled by an elastic force, characterized in that at least one protruding insertion piece is formed at a foremost end portion of the toe cover part, a recess into which the at least one protruding insertion piece is insertable is formed at a position of the bottom plate part corresponding to each of the at least one protruding insertion piece, a cover engagement part formed at a lower end of the at least one protruding insertion piece and configured to be inserted into a lower side of the recess and hooked to a cover engagement bump formed at the lower side of the recess, and a gap is formed between the recess and the at least one protruding insertion piece located at the foremost end portion of the toe cover part so as to allow the detachable coupling part to be released and the toe cover part to be pivoted and opened upward about the at least one protruding insertion piece located at the foremost end portion of the toe cover part.