A redesigned multiple-thickness face and a 5-percent increase in moment of inertia (MOI) are upgrades over last year's model.
Price: $300.
Callaway Hyper X
The face boasts an internal section in the shape of an X to improve springlike effect across a larger area. Tour version available.
Price: $300.
Cobra Speed LD
Available in four versions, each features a rhombus-like bump behind the face for better results on off-center hits.
Price: $300.
Adams Insight XTD
Two models, both square in shape, are geared for average players. The a3OS moves the CG back and toward the heel to promote a draw, while the a3 has less draw-bias.