Size Chart can be found in the online brochure: http://www.rideradarronix.com/radar_brochure/
63.5" 85-120 lbs
65" 110-145 lbs
66" 125-175 lbs
67" 160-190 lbs
68" 180-210 lbs
69.5" 200+ lbs
I'm 200 lbs and rode the 67" last year but I'm liking this year's 68" which is correct according to the chart. At 145 lbs stay on the 66".
Not sure what year ski these were for but the last numbers I saw from Rossi on the 66" were Boot 28 7/8, Length 6.843, Depth 2.505, DFT .755 Wing 9.