Lymphoedema sleeves apply pressure to the arm to keep lymphatic fluid flowing in the right direction up the arm. Sleeves are tighter at the wrist and looser up the arm. This creates a pressure gradient to help the flow of lymph upwards. Comprezon Lymphoedema Stockings and Sleeves help to: 1. Stop (the flow of lymphatic fluid from torn lymph vessels) 2. Soften fibrosis (which is a hardening of the limb with resulting restriction of circulatory flow) 3. Reduce lymphatic fluid accumulation (by forcing a flow through the limb)