Oakley Foundational Training T-Shirt - Blackout From spirited workouts to casual wear, this Oakley Foundational Training Short Sleeve T-Shirt with engineered sleeve design delivers both modern style and versatility. Advanced stretch and quick drying fabric for greater range of motion and enhanced breathability ensure optimum training comfort, while reflective properties on the front and back provide increased low light visibility. T-Shirt Features: 100% Polyester. Oakley B1B logo. Advanced stretch and quick drying fabric. Enhanced breathability. Reflective properties on the front and back.