Step 1:
The paper is 30 x 15 centimeters (two squares glued together) and red on one side.
Fold in three parts of the same size. Unfold the lower fold.

Step 8:
Make the same fold on the other side (=valley-fold).

Step 6:
Here a part of step 5 is already done, fold the left part further upwards.

Step 11:
Fold the edge inwards, make the folds on both layers in once.
Then pull both layers apart.

Step 10:
Fold this edge to the right.

Step 9:
Fold the edge inwards

Step 5:
Fold the left and right part into a straight angle.

Step 7:
Fold over these two lines.

Step 3:
Fold over this line

Step 2:
Fold over this line

Step 4:
Prefold over the diagonal line and use this line as help for prefolding over the other line.

Step 12:
Fold this edge inwards over the prefolded lines

Step 13:
Glue / tape the edges together, see yellow lines. And press the boot inwards, see arrows.

Press the white edge upwards... Done!

Picture: Santa dress, Santa high heels and Origami christmas gift boxes