Marker Freeride Bindings Sizing and Features 

Bindings	M 7.0 Free	M 11.0 Twin Cam Free	M 11.0 Free	12.0 Free	Griffon 12	Baron 12	The Jester 16	The Duke 16
skier Profile	beginner - intermediate youth	intermediate skiers	intermediate, more aggressive skiers	intermediate - advanced	advanced - expert skiers	advanced - expert alpine touring	advanced - expert freeride skiers	advanced - expert alpine touring
DIN range	2-7	3-11	3-11	3-12	4-12	4-12	6-16	6-16
recommended skier's weight	53-165lbs	65-240lbs	65-240lbs	65-250lbs	80-250lbs	80-250lbs	130+lbs	130+lbs
stand height w/o ski	18mm	23mm	23mm	23mm	23mm	34mm	23mm	34mm
toe system	Biotech	Biotech	Biotech	Biometric Pro	Triple Pivot Elite	Triple Pivot Elite	Triple Pivot Elite	Triple Pivot Elite
gliding AFD	stainless steel	stainless steel	stainless steel	stainless steel	stainless steel	stainless steel, height adjust	stainless steel	stainless steel, height adjust
step-in heel	Compact	Twincam	Compact	Twincam	Inter-Pivot	Inter-Pivot heel	Inter-Pivot	Inter-Pivot heel
brake width	85mm	90mm	90mm	110mm	110mm	110mm	110mm	110mm
weight					1.89gr	2.45gr	1.99gr	2.6gr
sizes	Will accomodate both Jr. and adult ski boots	All boot sole lengths	All boot sole lengths	All boot sole lengths	All boot sole lengths	LG (305-370mm) SM (265-320mm)	All boot sole lengths	LG (305-370mm) SM (265-320mm)

Your boot sole length can be found stamped in the plastic on your ski boots. 

Keep in mind that it is best to be somewhere near the middle of the recommended weight range for ski binding DIN.  For example: If the recommended weight range is 80-250lbs for a DIN 12 and you weigh more than 200 lbs or ski extremely aggresively consider a higher DIN.