Calllaway Big Bertha Fusion Fairway. The Callaway Big Bertha Fusion Fairway Woods utilize Fusion Technology, the same superior weight-shifting science used in the new Big Bertha Fusion FT-3 Driver. The technology uses multiple materials in clubhead construction to move more weight where it provides the most benefit to the golfer. The result is unprecedented distance, playability, performance and confidence. Featuring proprietary Fusion Technology combines a stainless steel face, sole and body with a lightweight carbon composite crown to create maximum perimeter weighting for exceptional stability on off-centre hits. The carbon composite crown is stronger and lighter than an equivalent stainless steel crown, creating additional discretionary weight which is placed low and into the perimeter of the clubhead for improved launch parameters and more resistance to twisting. The stainless steel face, sole and body utilizes Variable Face Thickness (VFT®), a proprietary Callaway Golf technology, and is fused in place with the crown, providing an ultra-low, optimized Centre of Gravity for higher ball speed, a strong, high ball flight and power in every shot. Callaway Big Bertha Fusion Fairway Woods have the highest Moment of Inertia (MOI) of any Callaway Golf fairway woods, which produces the most stability and accuracy on off-cente hits. The proven S2H2®, VFT, and Tru-Bore, Technologies give you optimal weight distribution with improved feel and clubhead control.