Football Tracker Vest: This is a football position tracker vest, designed to monitor and record your performance during the game. It's an essential tool for any serious football player looking to improve their skills.Material: Made from pp and polyester, this tracker vest is built to withstand the rigors of football matches. It's lightweight and comfortable, allowing you to focus on your game without any distractions.Breathable: Designed with sweat-absorbing and breathable material, this vest keeps you dry and comfortable during workouts or games.Festure: The soccer tracker vest features an fabric that ensures a comfortable fit while allowing full range of motion during activities.App Control: This tracker can be controlled via an app on your smartphone or tablet device (not included). This allows you to easily monitor your performance stats in real-time or review them later at your convenience. Specification: Material: Polyester Size Chart: S: 80cm-85cm/31.50inch-33.46inchM: 85cm-96cm/33.46inch-37.80inchL: 90cm-100cm/35.43inch-39.37inchXL: 96cm-108cm/37.80inch-42.52inchXXL: 102cm-120cm/40.16inch-47.24inch Package Includes: 1 SetPosition Tracker Vest 1 Piece USB Cable 1 Piece User Manual Note: Please allow slightly errors 1-2cm differences due to manual measurement. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!