An overstable 9.5-speed driver, the Boost has received a minor modification to slightly lessen the fade, allowing for a bit more flight time before the dependable drop into your landing zone. Arriving with flight numbers of 9.5 | 4 | 0 | 2.5, the Boost has all of the makings of a workhorse driver that can be worn-in over time to fill a ton of slots. It’s already one of Eagle’s go-to molds, and we think the Boost will be one of the most dependable discs in your bag soon.