Hammer continues to make the stuff of legends. The Black Widow Red Legend Solid takes the proven history of the Black Widow line and continues to turn it up a notch. This bowling ball offers unparalleled mid-lane and backend continuation for a spectrum of bowlers with increased traction on medium to heavy oil conditions. The solid Juiced coverstock and the Gas Mask core used for this ball make a ball will be legendary! This bowling ball is Carbon Fiber Infused! Carbon fiber is one of the toughest materials on earth. Hammer decided to add this material to the inner core of this ball for added strength and durability allowing them to offer an incredible 3 year warranty.