1. Measure around your waist where you want the white belt to fit and cut a long strip of white fleece. Make it twice as thick so you can fold it over. Fold in half lengthwise and sew the length and one of the ends. Turn the belt right side out. I used a long plastic wand from my cat's toy to push it through!



2. Cut out three rectangles for the pockets. The two leg pockets are a little bigger than the pocket on the chest. To add the white piping on the pockets, you can use piping, bias tape or strips of fleece which is what I used. I pinned the strips onto the front of the pockets and sewed them down, them turned them back over around the edges of the pockets. Fit them onto the legs of the jumpsuit and sew. Do the same with the left chest pocket.



3. Chell's Portal 1 jumpsuit just says "APERTURE" on the right chest, but I decided to put the Aperture Labs logo on instead. If you can find a patch like this online, you can substitute it, but I just used an iron on transfer and some white cotton, since fleece isn't very iron friendly. If you are using iron ons, remember to flip the image so that the text will show up the right way. Sew that onto the right chest.



4. For the back of the jumpsuit, I cut out the individual segments of the Aperture logo out of white flannel using a card stock template of the shape. I carefully pinned and sewed each piece to form the logo. You could also try using fabric paint or silk screening instead.



5. There are a few more little details that you can add or leave off. There is some thin piping that goes across the back and the piping around the arms, as well as the slash pockets in the front and butt pocket.