The White Hot XG is the next generation of White Hot Technology. Inspired by proven, high-performance, multi-layer golf ball technology, the White Hot XG is Odyssey's latest advancement that utilizes a multi-layer insert for phenomenal performance on the green. Progressive Alignment Systems Helps golfers line up the putter to the intended target for better accuracy & more drained putts. High MOI Design The high density alignement wings create incredible stability for a highly accurate stroke path. Multi Layer Insert Consructed from a soft elastomer core thats highly resilient for exceptional feel & truer roll. A thin, firm outer striking surface infused with urethane provides fine tuned responsiveness. The insert also allows weight weight to be shifted to the perimeter of the head for a higher MOI & better stability.