PING PYB Flex Hat “Flex” being the operative word, this cap bends and folds up so small you can tuck it in your back pocket, your bag, anywhere. Pull it out again and it bounces right back into shape. That PYB logo is a double-layer heat transfer, and there’s a moisture-wicking SensorCool headband. Keep your game sharp with this reliable, comfortable, and stylish gear — made for modern golfers who want performance with personality.