At the D0 visit, if the patient is assigned to the arm with insoles.

The patient completes the quality of life and symptom evaluation questionnaires, the plesthysmographic evaluation test, the analysis of walking without insoles and the oedema measurement.

Then, at D30, the patient repeated the same tests, with the exception of the gait and plesthysmographic evaluation tests.

The patient then switched to the other arm.

CIVIQ (ChronIc Venous Insufficiency quality of life Questionnaire) 14 : It is a quality of life assessment scale comprising 14 items grouped into four main dimensions (pain, physical, psychological, social) with 5 levels (1 point (min) to 5 points (max)).The final score is between 14 and 70 points. A low score indicates a low impact of the disease on quality of life.

The 5-level EQ-5D version (EQ-5D-5L) consists of 2 pages: the EQ-5D descriptive system and the EQ visual analogue scale (EQ VAS). The descriptive system comprises five dimensions: mobility, self-care, usual activities, pain/discomfort and anxiety/depression. Each dimension has 5 levels: no problems (1 point), to extreme problems (5 points). A low score indicates a low impact of the disease on quality of life.

The EQ VAS records the patient's self-rated health on a vertical visual analogue scale where the endpoints are labelled 'The best health you can image' (100/100) and 'The worst health you can image' (0/100).

Veines-sym (VEinous INsefficency Epidemologic and Economic Study - Symptoms). 26-item Anglo-Saxon scale to explore symptoms, limitations in daily activities (physical and social dimensions) and the psychological impact of CVD. The final score is between 0 and 50 points. Higher values indicate better results.