[Brown (BR)]
[Green (G)]
[Yellow (Y)]
[Orange (O)]
[Red(R)]
[Navy (N)]
[Sky (SX)]
[Black (B)]
[Purple (P)]
Black is for the connoisseur. As a standard guide, it is 2 times the waist circumference (waist) plus 35.4 - 39.4 inches (90 - 100 cm).