The chest / waist size (in inches) that we show in the item title is the ‘size to fit the wearer’. The letter (R/S/L) denotes the length:
R = Regular fitting (for chaps between 5’ 7" – 5’ 11" tall)
S = Short fitting (5’ 2" – 5’ 6" tall)
L = Long fitting (6’- 6’ 5" tall)
