The present disclosure describes an orthopaedic device (1) comprising a harness (2) provided with a backpiece portion (20) adapted to be arranged on the back of a user (100) and at least one shoulder strap (21) associated with said backpiece portion (20) and adapted to wrap a respective shoulder of the user (100). The orthopaedic device (1) further comprises a support pad (3, 3a, 3b, 3c) adapted to be associated with said at least one shoulder strap (21) and intended to be housed in a respective axillary cavity of the user (100) for keeping the shoulder joint in a preset physiological position. The support pad (3, 3a, 3b, 3c) has a shape matching the shape of the axillary cavity. The orthopaedic device (1) is capable of keeping also the spinal column and the neck in a preset physiological position.