By A Mystery Man Writer
Design studio Layer has designed a connected vest, pod and app which work together to track distance, acceleration, heart rate and more, to help amateurs and professionals improve their game
Review: Playertek sports GPS tracker points to the future of wearables
Fitness Vest Helps Amateur Athletes Track & Train Like A Pro
The best football gadgets for getting your head in the game - BBC Science Focus Magazine
Why do Football Players wear GPS vests? - Catapult One
CITYPLAY Free 1 month trial - Playermaker
Elite Level GPS Sports Performance Tracking
Black STATSports Apex GPS Performance Tracker Junior
Heat maps and tracking stats: Trying out Playertek's smart vest - Wareable
World Cup 2018 - Design Week
How GPS vests are revolutionising the way Premier League players