I've got short arms! I got this one http://www.amazon.com/gp/product/B00U8HQC0W/ref=oh_aui_detailpage_o00_s01?ie=UTF8&psc=1 and it just slips down to my elbow, then I can't bend my arm. Have you found an armband you like for working out, walking, running, lifting, biking, etc.?