Inclusion Criteria:  Adult patient (≥ 18 years old), having given free, informed and written consent Patient affiliated to a social security scheme Patient agreeing to wear the study compression system daily Patient with an ankle circumference between 18 and 25 cm Target wound: stage C6 / C6r leg ulcer of the CEAP classification with a 0.8≤ ABPI≤1.3 Target wound with an area between 1 and 20 cm2 Target wound with age of ≤24 months  Criteria exclusion:  Patient with a systemic infection not controlled by appropriate antibiotic therapy Patient having presented in the 3 months preceding his inclusion, a deep vein thrombosis Patient with advanced stage II or stage III lymphoedema Patient bedridden or spending less than an hour per day standing Clinically infected target wound Cancerized target wound