The ankle brace, comprising: a flexible main body adapted to surround a human leg in the area of the ankle from the lower leg to the midfoot, wherein the main body comprises a medial section, a lateral section, a sole section having a lateral and medial side (19a, 19b), and an arch and instep section, wherein the medial section is provided to contact the medial side, the lateral section is provided to contact the lateral side, the sole section is provided to contact the sole, and the arch and instep section is provided to contact the arch and/or instep of the foot, and including a fixing belt having a first end and a second end for being wound around the main body, wherein the fixing belt is connected to the first end with the lateral section of the main body and to the second end with the medial section of the main body adjacent to its top end and wherein the fixing belt is movably guided around the main body such that the fixing belt extends from the first end at the lateral section from the arch and instep section to the medial side of the sole section across the sole section to the lateral side of the sole section across the arch and instep section and up to the top end of the medial section, wherein the fixing belt proceeds around the sole section without being connected to the main body, rather the fixing belt only lies against the main body and is shiftable in relation thereto, wherein one of the first and second end (35, 37) is connected to the main body in a predetermined fixed or releasable position relative to the main body and wherein the other of the first and second end (35, 37) is releasably connected to the main body, characterized in that a lateral splint element is fixed to the lateral section of the main body and a medial splint element is fixed to the medial section of the main body. a flexible main body adapted to surround a human leg in the area of the ankle from the lower leg to the midfoot, wherein the main body comprises a medial section, a lateral section, a sole section having a lateral and medial side (19a, 19b), and an arch and instep section, wherein the medial section is provided to contact the medial side, the lateral section is provided to contact the lateral side, the sole section is provided to contact the sole, and the arch and instep section is provided to contact the arch and/or instep of the foot, and including a fixing belt having a first end and a second end for being wound around the main body, wherein the fixing belt is connected to the first end with the lateral section of the main body and to the second end with the medial section of the main body adjacent to its top end and wherein the fixing belt is movably guided around the main body such that the fixing belt extends from the first end at the lateral section from the arch and instep section to the medial side of the sole section across the sole section to the lateral side of the sole section across the arch and instep section and up to the top end of the medial section, wherein the fixing belt proceeds around the sole section without being connected to the main body, rather the fixing belt only lies against the main body and is shiftable in relation thereto, wherein one of the first and second end (35, 37) is connected to the main body in a predetermined fixed or releasable position relative to the main body and wherein the other of the first and second end (35, 37) is releasably connected to the main body, characterized in that a lateral splint element is fixed to the lateral section of the main body and a medial splint element is fixed to the medial section of the main body.