Phew! Its not a sweater. Its a funkadelic shirt.
I have amended my recipe:
Merry
1. Sam's white shirt
2. Frodo's Vest (dyed yellow)
3. Frodo's jacket (dyed forest green)
4. Sam's Pants (dyed dark brown)
5. Frodo's weathertop sword and scabbard
6. Frodo's cloak (dyed grey)
7. Frodo's elven cloak.
Pippin
1. Frodo's shirt (sam's is prolly closer to accuracy but with the scarf it shouldn't matter)
2. Frodo's jacket (dyed light dark blue-green)
3. Frodo's pants (dyed dark green)
4. Sam's sword and scabbard from weather top.
5. Sam's cloak (dyed charcoal)
6. Sam's elven cloak.
Really it all comes down to the sweater. How to do it is the hardest part (seriously) about this whole custom job.