Most thumbhole stocks are designed for right-handed shooters, but the FBT thumbhole stock on the new 110 KLYM doesn't have a right-handed bias. The 110 KLYM is only offered in right hand, but the new Impulse KLYM has an ambidextrous bolt handle and can be moved to the left for southpaw shooters.
110 KLYM: http://ms.spr.ly/6057iHk87
Impulse KLYM: http://ms.spr.ly/6058iHk8C