Wilson SL 9000 Straight Golf Ball (15-Pack), White Super Long: it's all in the name. The SL 9000 Golf balls give player's exceptional distance. The advanced two-piece construction and mid-compression 85 core, the SL 9000 flies far without sacrificing feel. This SL 9000 is designed with spin-reducing technologies so that player's shots are even straighter than normal. Mid-compression construction- 85 compression Get exceptional distance on every shot Exceptional soft feel on every shot Reduced spin for a straighter shot