For starters these are the features & benefits of the new X2 Hot Driver.

New Hyper Speed Face™ 

• Callaway's fastest and thinnest all titanium driver face ever produces more ball speed on shots across the face  
• 10% Larger Sweet Spot for longer, more consistent distance. It’s 9 yards longer than X Hot.  

Improved Head Shape - An improved head shape and construction improves mass properties for greater forgiveness and consistency

New Advanced Adjustable Hosel Technology

• Advanced Adjustable Hosel Technology allows you to increase or decrease loft (+2° and -1°) to dial in the optimum launch angle and backspin for maximizing your distance 
• Directional bias can be adjusted to Draw or Neutral to optimize shot shape for more accuracy

Aldila® Tour Blue and Green Shafts

• New Aldila Tour Blue is designed for a higher launch angle with low spin, and optimum trajectory for huge distance 
• Mid torque for great feel and control
• High launch and low spin
• Pro Version features Aldila Tour Green, the #1 wood shaft on the PGA Tour in 2013
• Low torque for a firmer feel
• Mid launch and low spin

(L) Pro Version -  features a smaller, 440cc head with more neutral bias designed for more workability, and delivers penetrating trajectories with low spin