The Fenix AFH-05 is an elastic quick-dry sports headband made of air-permeable nylon fabric. This headband features a two-way SPORT headband fit system for easy, single-handed adjustment. The widened perforated design provides extra comfort and stability while on the run. With the imprinted reflective FENIX logos on the headband, others could be alerted to your presence and position. You can easily detach the headband by mounting or removing the pulling rope from the open grooves on both sides.