- 39THIRTY collection
- Embroidered Hurley logo flexfit hat
- MagnaCap technology
- Front Panels: 100% Cotton. Middle Back Panels: 100% Polyester. Bill: 100% Cotton.
This official Authentic Collection 39THIRTY batting practice cap is worn by all Major League BaseballÂ® players throughout Spring Training and all in-season pre-game workouts. Performance is enhanced through CoolBase vapor management, superior drying, and shrink resistance.