+ Mobile phone stays dry
+ Mobile phone can be operated in the sleeve pocket
- Does not fit with protective sleeve in the sleeve pocket
- The UV protection of the bag, the display is quite difficult to read
My upper arms are slightly more pronounced than with a non-athletes, but I'm not a dedicated arm training. That's why I was surprised that the maximum width of the sleeve pocket was almost exhausted. Come in winter even a jacket or sweater should, it is probably quite closely on the arm.