User inclusion criteria:
* Any gender, age 18 years or older
* Motor complete or incomplete SCI at any level
* ≥ 6 months post SCI
* Able and willing to attend 9 visits to the center, including sessions of training and assessments of one-to-three hours duration
* Able to read, understand, and provide informed consent.
* Patients affiliated to a social security system.
User exclusion criteria:
* Diagnosis of neurological injury other than SCI;
* Progressive condition that would be expected to result in changing neurological status;
* Severe concurrent medical disease, illness or condition judged to be contraindicated by the site physician;
* Unhealed or unstable traumatic or high impact lower extremity fracture of any duration that is, in the clinical judgement of the study physician, exclusionary for standing and walking;
* Individual with history of osteoporotic fracture and / or pathology or treatment causing secondary osteoporosis.
* Untreatable severe spasticity judged to be contraindicated by the site physician;
* Untreated/uncontrolled hypertension, as judged to be contraindicated by the site physician;
* Unresolved orthostatic hypotension (change from baseline seated BP to a fall in 20mmHg SBP and/or fall in 10mmHG DBP and symptoms when standing), or as judged to be contraindicated by the site physician;
* Open or unhealed skin pressure sores, abrasions, or bruises at any of the contact points of the exoskeleton;
* Morphological contraindications to the use of the device;
* Uncorrectable leg length discrepancy over 2 cm (about 0.79 in) when using additional correction tools;
* Unable to effectively operate the device with a controller, due to functional and/or cognitive impairment, evaluated based on the ability to manipulate the joystick in all direction, press and identify buttons on the controller.
* Improper fitting in the device;
* Psychopathology documentation in the medical record that may conflict with study objectives;
* Pregnancy or women who plan to become pregnant during the study period;
* Concurrent participation in another interventional trial;
* Uncontrolled autonomic dysreflexia;
* Ventilator use at the time of the exoskeleton use.
* Patient under legal protection.
Companion inclusion criteria
* Any gender, age 18 years or older.
* Willingness to attend 9 to 10 visits to the center, including sessions of training and assessments of one-to-three hours duration with the SCI user.
* Able to read, understand and provide informed consent.
Companion exclusion criteria:
* Inability to communicate due to cognitive and language disorders;
* Any disease, concomitant injury, or condition that interferes with the performance or interpretation of the protocol- specified assessments;
* Insufficient strength and performance capability, evidenced by the ability to hold and retain the device in case of unbalance/fall;
* Insufficient availability to complete the study;
* Concurrent participation in another interventional trial.
