Performance Poly Tech Waffle, moisture wicking technology, Memory Fit™ Headband alleviates the pressure of wearing a hat for extended periods of time conforms to the shape of your head enhanced comfort & fit Its lightweight and breathable fabric, designed to reduce sweat buildup, keeps you cool and dry for a workout that goes the distance. The Memory Fit™ Headband hugs your head securely while the premium memory foam infused padding increases comfort and fit. Enjoy the freedom and security of a great hat without the associated discomfort.