Wig: I bought a wig on HelloCosplay and my friend cut it.

Pants: Bought a pajama pants pattern and cut holes on the side and I sewed blue fabric on the inside around the holes.

White shirt: I used a t-shirt pattern, altered it and cut it on the right side, then I sewed small clips to keep it together. The collar is some fabric sewed over foam.

Blue shirt: Found a blue shirt!

Sandals: I bought some at Ardène

Belt: I simply sewed a piece of fabric and tied it on.