Newmom Maternity StockingsAccurate compression (machine made and tested unlike stitched garments) Graduated compression (i. e high pressure at ankle and lower pressure at the knee thereby pushing blood up the the legs) 14 16 mm Hg (millimetres of mercury) pressure at the ankle Fully covered calf: Over the calf graduated compression stockings are effective in reducing the actual swelling and subjective feeling of heavy and tired legs The non restrictive top band at calf.