Inclusion Criteria:  Patients with CRPS of the upper limb with neuropathic pain  Diagnosis of CRPS according to the Budapest criteria Diagnosis of neuropathic pain according to DN4 CRPS evolving for more than 3 months No phlebitis or open sores on the upper limbs Patient consent to participate in the study No modification of his drug treatment for 1 month Affiliation to a social security scheme or beneficiary of such a scheme  Exclusion Criteria:  Patient under guardianship, curatorship or safeguard of justice Psychiatric pathology altering the ability to consent Severe cognitive disorders that do not allow the patient to assess his pain Skin pathology preventing the wearing of the compression garment Patient who has previously worn a compression garment History of vascular disorders of the upper limbs, lymph node dissection, or any other pathology that can lead to edema regardless of CRPS Known allergy to one of the components of the compression garments of the Cerecare brand Declared pregnancy, breastfeeding woman or woman of childbearing potential without contraception Inability to put on the compression garment alone