They are stockings, not shoe covers. These stockings have been addressed in these forums before. Basically they defy gravity so making them exactly as they are seen on the character is difficult at best.
option 1: paint full panty hose
option 2: sew 2 pair of hose/ tights together, creating the scalloped edge & magical thigh high properties.
option 3: use pink thigh highs and ignore the fact that the characters' are angled. add lace or stitching to create scallops at the top.
option 4: make angled thigh highs, use tons of body tape and be frustrated all day when they don't stay put.