This is my first sneaker purchase and I am very happy. Also, since my torso is really long, I'm worried it won't be long enough for me. I was absolutely wrong! The trainer is right under my chest, right at my hip bone, and it doesn't move all day. Another concern I have is whether it will be visible under my clothes. Ultimately I had to say yes and no. Yes, since I ordered the black sneakers, it's visible under the light tops (white, pale pink, pale blue). No, because dark clothes and/or looser ...