DLO Action Jacket Armband Case for Sansa View (Black) This Action Jacket is a sport-ready neoprene case with clear window, which protects your Sansa View MP3 player from sweat and the elements. Total access to all your Sansa View controls and buttons. Belt clip also attaches Sansa View securely to your clothing and rotates 180 degrees. Washable armband fits a bicep circumference of 6" to 20".