Callaway Women's REVA Golf BallsCallaway Women's REVA Golf Balls Engineered for women golfers who want to improve their distance, ball flight and consistency. To promote easy launch and more forgiveness, Callaway leveraged an oversized construction that conforms to the rules of golf. Our oversized core and low spin characteristics are designed for longer, more accurate golf shots. Key Features: Long and Straight: Discover your peak performance with a ball built for your game.