Credalast class 2 thigh stocking with waist attachment left leg 18 24mmhgcredalast nylon or credalast comfort as was once known is very smooth and easy to apply and is known as one of the most comfortable medical hose available in the ukthigh uk compression class 1 14 17mmhgthese stockings are a truly classic style with such great all round properties they used not only by the nhs but by medical professionals across the ukplease note this is left leg onlythese stockings also cost less in com