Cobra OPTM X Driver 13 allowing you to move freely

allowing you to move freely from the first swing to the last

Synthetic and leather combination

Fabric: 92% Polyester | 8% Spandex

brand-new titanium alloy that dramatically increases design freedom

2 Internal Slit Pockets

Cobra OPTM X Driver 13 allowing you to move freelyThe First Drivers to Optimize POI for Straighter Miss Hits Traditionally, club stability and forgiveness have been measured primarily by MOI. Cobra is the first company to introduce and optimize a lesser known but critical metric: POI (Point of Inertia). POI measures clubhead rotation across all three axes horizontal (MOI Y), vertical (MOI X), and toe up down (MOI Z)that occurs during off center impacts. OPTM drivers are the first to optimize both MOI