? All-day Activity Tracking : Accurately records all of your daily activity, such as steps, distance, calories burned, active minutes and sleep status. With 14 sports modes to choose from, you can keep track of a wider range of fitness...

The Sigma offers a more comfortable feel with a new, more ergonomic handle. You can feel the difference at full draw, allowing you to be relaxed and confident. The Sigma puts your fingers in optimal performance positions - we call this "finger...