The Callaway Big Bertha OS Hybrids feature:
- Optifit hosel technology lets you easily choose from eight loft and lie settings to customize to your swing.
- Next-generation Hyper Speed Face Cup promotes faster ball speed across the face, especially on off-center hits.
- A larger and more flexible face offers a more forgiving sweet spot and the flexible face promotes added distance.
- Headcover included. Adjustment wrench must be purchased separately.