2019 PGA Championship Nike Legacy 91 Tech Performance Adjustable Hat - Light Blue
PGA Championship 2019: What the pros will wear—including Tiger and when we'll see the mock-neck—at Bethpage | Golf Equipment: Clubs, Balls, Bags | Golf Digest
2021 PGA Championship: Major fashion: Brooks Koepka's hat; Bryson DeChambeau's symbol shirt | Golf Channel
Brooks Koepka's hats continue to generate strong reaction at the majors | Golf Equipment: Clubs, Balls, Bags | Golf Digest
Nike 2023 PGA Championship Red Cap - PGA Shop
2019 PGA Championship Nike Legacy 91 Tech Performance Adjustable Hat - Light Blue
PGA Championship 2020: Brooks Koepka's hat is inspired by a San Francisco hallmark | Golf Equipment: Clubs, Balls, Bags | Golf Digest