Nathan Super 5K Smartphone Armband cf-size-max Polarized lenses reduce glare so

Polarized lenses reduce glare so you can see the road/kickball ahead

it automatically detects the energy source and adjusts lighting performance

and does not affect blood sugar levels

Ridged Design

Nathan Super 5K Smartphone Armband cf-size-max Polarized lenses reduce glare soThe Super 5K Smartphone Armband is the best ultra lightweight, water resistant, adjustable armband and perfect for a run, walk or bike ride of any length. Lightweight, water resistant neoprene keeps most smartphones and music devices protected while you hit the pavement or the dirt. One size fits most. Featuring a smooth comfort fit that is soft to the touch. Ultra lightweight, water resistant neoprene Keeps most smartphones or music devices protected