Pilamor men's sports headband is made of 87% nylon and 13% spandex. It helps you keep your hair in place and doesn't cause head pressure or discomfort. Light Weight and Unisex The sports sweatband is made of lightweight high performance materials,When you're running with it, it don't feel heavy. Fast sweat absorption & No slipping Whether it’s the gym, playing some basketball or football,You can use this headband for outdoor rides.This man's headband won't slip off your head, it will stay in place throughout the training. It’s comfortable, it’s very absorbent and it wick the sweat away. Don't worry about sweat dripping from your forehead, eyebrows and glasses,you can focus on your workout. Multi-function The men's running headband is stretchable, which is suitable for almost all head sizes,more suitable for men and women with a head circumference of 19.6-23.3 inches