Amazon.com : STATSports APEX Athlete Series GPS Soccer Activity Tracker Stat Sports Football Performance Vest Wearable Technology Adult Small : Sports & Outdoors
CATAPULT PLAYR FOOTBALL Sports GPS Tracker + Medium vest + Original box RRP £200 £62.00 - PicClick UK
Using something besides a "vest" (sports bra) for GPS tracker : r/bootroom
Playermaker Soccer Trackers vs. GPS Vests: Making the Right Choice for Your Performance - Playermaker
GPS Player Vest – PitcheroGPS
Arsenal Edition STATSports GPS Performance Tracker | Official Online Store