95% polyester / 5% spandex TRANSPORTS MOISTURE AWAY FROM SKIN (4 PACKS): Poshei mens headband is made of 95% polyester, 5% spandex,strechable, breathable,soft and sweat wicking; Keep your eyes away from sweat,wick away moisture and dry quickly. LIGHTWEIGHT AND PRACTICAL:Feels like wearing nothing.Lightweight sweat headbands with perfect one-size-fits-all technology to put very little pressure on your head while staying right where you put it. High stretchable to suited for head circumference about 49 - 60 cm. EASY TO WEAR AND MULTIFUNCTIONAL:The headbands for men sewn into the back of the bandana headband allows you to put the mens headband on without the need for tying any knots;Very convenience to carry on, you could fold mens headband and put in your pocket or travel bag or just wear as wristband. VERSATILE AND ALL-SEASON ITEM - Boosts yourself confidence and performance; Poshei headbands for men is suitable for walking, running, hiking,working out, biking, riding, fishing,yoga,exercise and fitness, gym, crossfit, basketball, football, volleyball, tennis,etc.