Aside from the armband being too small for my arm, I also felt the carry case itself was too small for my phone. When the phone was in the armband, half of the screen was covered by the edges and what screen was left showing was massively distorted as the plastic buckled by being stretched. Although it might sound silly, I was just slightly worried that such a tight fit would damage my phone by applying to much pressure, particular when it was around my arm. This also made it a pain when trying to insert and remove the phone each time (particularly because I would have to keep removing my phone from its cover as well), as well as inserting my headphones.
I HATE giving negative reviews, especially when the seller and Amazon are both fantastic. But for the purposes of this specific product, I did not think it came up to scratch. However, plenty of positive reviews can't all be wrong. Let's just hope mine was a dud.