The VETCOSED study is a quasi-experimental study of type "Before / After", monocentric, open. The study is realized in the Centre Médico-Chirurgical et de Réadaptation des Massues - Croix Rouge Française de Lyon, in association with the Pôle Information Médicale Evaluation Recherche des Hospices Civils de Lyon. This study concerns about 40 patients with EDS hypermobility type, which will be followed for 8 weeks: 4 weeks during which they will wear a compression custom-made garment (short-sleeved vest CICATREX SED®), and 4 weeks during which they do not carry this garment.