easy slip on design with elastic laces to make it simple and easy to put on

Its made of a similar material to the popular "Shamwow"

Core: Modified Light Bulb

Included parts on push foot: T02 rubber push-off sole (fixed) and #2 shark tooth heel

Brunswick TZone Night Sky Bowling Ball Weight:13 lbs. easy slip on design withTZones have been the go to spare ball or first ball for new bowlers for decades, and we are adding a classic look to the line for 2024 with the new Night Sky. The Night Sky is a solid black, very shiny polyester ball with silver flakes and will appeal to bowlers of every skill and age. Performance: Polyester Color: Night Sky Coverstock: Polyester Cover Type: Polyester Core Type: Symmetrical Core: TZone Bullet Weights: 6 15 lbs. Factory Finish: Crown