How is the jacket that the fours, fives and sixes wore in The Giver different from the jacket the sevens wore and what do they symbolize?

How is the jacket that the fours, fives and sixes wore in The Giver different from the jacket the sevens wore and what do they symbolize?

How is the jacket that the fours, fives and sixes wore in The Giver different from the jacket the sevens wore and what do they symbolize?
How is the jacket that the fours, fives and sixes wore in The Giver different from the jacket the sevens wore and what do they symbolize?