Odyssey White Ice Sabertooth Putter White Ice Insert The multi-layer insert has been fine-tuned to enhance sound, responsiveness, resiliency and consistency. The inner core is 19.6% firmer to enhance the feel and 92% stiffer for better resiliency. Advanced Moment of Inertia Advanced moment of inertia is featured in Odyssey's Progressive line of putters. The extreme perimeter weighting creates stability through the strike and at impact for the straightest, truest putts possible Dark Nickel Finish Creates a rich premium for the utmost in confidence. Features radical shapes with high MOI for better stability and forgiveness