Everything you need to get started with Protern The Protern Pack (Original) includes everything an athlete needs to start recording and reviewing performance data with Protern. Choose the Protern Pass term that matches your season. What's included Protern Sensor (Original) Protern Bib (Original) Protern Pass USB charging cable Carrying bag An active Protern Pass is required to sync data and access your results. Questions about shipping, sensors, or passes? Contact [email protected]. Also available Protern Sensor (Original): replacement sensor compatible with the original Protern Bib Protern Bib (Original): replacement bib sized for athletes using the original Protern Sensor Protern Pack (Live): Pack with the Protern Sensor (Live) and built-in mobile Bib sizing The bib is designed to fit tightly over or under a race suit. Keeping the sensor from moving gives you the most accurate result. Choose S, M, or L based on your race suit size. About the Protern Pass Why do I need a Pass? The Protern Pass enables us to invest in new features like video syncing, acceleration data, and detailed turn metrics. Which Pass should I get? Monthly - Great for athletes who want to keep the initial cost low or are buying Protern near the end of their season. Season Pass - November 1 to April 30. Covers the northern hemisphere ski season for athletes who do not attend spring or summer camps. Season+ Pass - June 1 to May 31. Full year of access for athletes who train year-round, including glacier camps. 2-Year Pro Pass - Two full years to May 31. The best value for athletes committed to long-term performance tracking. Includes Protern Protection, which lets you pause your Pass once for up to 12 months.