Head band Nike Dri Fit Head Tie Reversible white N1002146101OS The Nike headband will allow you to concentrate on training. Model made of elastic knitwear. Tied, double-sided construction. Technology Dri-FIT wicks moisture. Technical data:· length: 97 cm (without stretching)· width: 6.5 cm· material: 96% polyester, 4% spandex