Used by the team during their training sessions, the Fifa approved STATSports Arsenal FC Edition GPS tracker is the most powerful wearable in sport. Increase your max speed and sprint capacity, and see how you compare against benchmarks set by all the Arsenal players. And don\'t forget to share your performance data with Arsenal, helping us track the next generation of talent. Performance Insights - The only tracker on the market with 16 key metrics, including Total Distance, Max Speed, Sprints and Heat Maps. How it works - Wear the STATSports Arsenal tracker during your session, then connect wirelessly via Bluetooth to the app and you will have all the data you need to track your performance at your fingertips. Compete with the Pro\'s - Unlock your Pro Score and compete with Saka, Aubameyang, Smith Rowe, and all your favourite Arsenal players. STATSports Arsenal FC Edition Package includes: Arsenal GPS Performance Pod Arsenal FC Performance Vest STATSports Arsenal FC Edition App, downloadable on iOS and Android Size Guide: S - 34 - 37.5\" / 86 - 95 cm M - 37.5 - 41\" / 95 - 104 cm L - 41 - 43.5\" / 104 - 110.5 cm XL - 43.5 - 46\" / 110.5 - 116 cm XXL - 46 - 48.5\" / 116 - 123 cm