I don it easily for a waistline pack, and I uncover that the thick strap is incredibly supportive. I also sport it for a crossbody belt bag, over both shoulder (but generally across my correct shoulder so that I can access in with my proper hand). Rothenburg ob der Tauber: https://baidubookmark.com/story17571270/helping-the-others-realize-the-advantages-of-sports-sunglasses