The OG of gym vests took inspiration from the old school with its Power stringer, which whether you're engaged in rotator cuff warm ups or max out reps will see you through ’til failure with a ...

For people who struggle to fit in exercise — or hate the gym — vests can be an especially great thing, says Rachelle Reed, Ph.D., a trainer with a doctorate in exercise physiology.

Coffee with mates? A vest and baggy slacks. Essentially, flashing too much flesh – wearing shorts – will take the look to gym-goer territory, and that's not what you want.