P2I Swing Speed Trainer under armour duffel A lower drag coefficient means

A lower drag coefficient means the ball cuts through air with less resistance for more speed and a more penetrating launch

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New features and benefits – all geared toward helping you improve your game

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P2I Swing Speed Trainer under armour duffel A lower drag coefficient meansSwing Speed Trainer Using a Swing Speed Trainer in your golf practice optimises your body for swinging at faster speeds. Through using a heavier Swing Speed Trainer, you can develop the muscles necessary for a controlled and speedy swing. A Speed Trainer is a great tool for adding speed and distance to your swing speed without ever needing to hit a ball.