The New Tour B With Reactiv Iq Is The Smarter Tour Ball. Proprietary New Reactiv Iq Is A Smart Cover Technology That Reacts To The Force Of Impact. More Distance: Reactiv Iq Rebounds Quickly On Tee Shots, Delivering Explosive Velocity And Increased Distance. More Control: Reactiv Iq Stays On The Face Longer On Approach Shots, Providing More Spin And Soft Feel Around The Green. The Tour B X With Reactiv Iq Delivers Increased Ball Speed For Maximum Distance Off The Tee And Hit & Sit Performance On Approach Shots.(Color :Yellow)