ULTRA-LIGHTWEIGHT SPEED & DISTANCE Moderate swing speed, meet maximum performance. Titleist TSR1 Driver’s incredible lightweight configuration and enhanced aerodynamics make it easier to generate more speed. The new Multi-Plateau Variable Face Thickness design optimizes ball speed across the entire face. Benefits Maximized Launch & Distance Exceptional Forgiveness Features Ultra-Lightweight Configuration Multi-Plateau Variable Face Thickness Design Improved Aerodynamics Aerospace Grade Titanium SureFit Adjustability.