Wilson Staff Fybrid HS Hybrid Club Fybrid Fairway Utilities combine fairway woods and hybrids into one easy to understand family to eliminate overlap between clubs. The new Heavy Sole moves the center of gravity 7% lower and 11% deeper in the head resulting in higher launch and stronger ball flight. Dual Rail Sole Plate enables cleaner turf interaction by lowering the leading edge, for cleaner club face / golf ball contact froma variety of lies. 60 Gram UST/Mamiya AXIVCore Shaft. The shaft features a 4-axis graphite weave material, using different carbon fibers within the walls of the butt section, to provide stability and consistent shaft recovery.