Helps healthcare professionals select Activa compression hosiery for their patients. Why not give it a try?- SizesJust tap in the patient measurements. The app will work out the size of hosiery you need for Activa British Standard, the ActiLymph range, or Activa Hosiery Kits and Liners. - ConditionsTap on the photos of common venous leg conditions and the app recommends the appropriate class of Activa compression hosiery for that condition.- Activa rangeDoes it come in open toe? Is there a black option? Find the answers in an instant!