Sports Armband Kit (2 bands, Large & Small) - Sport Armband for Running, Hiking, and Working Out for all Tigra MountCases (case sold separately) Durable and breathable elastic sports armband. Machine-washable. Strong and convenient Velcro lock for a perfect fit. Micropore ventilation ensures breathability and comfort. Mount your case in second with only a twist and click. Includes 2 armbands, 1 Small and 1 Large, to fit any shoulder size.