When using 1 in the gym, safety is the first priority. Put your arm on your arm to ensure safety within the realization range.
During the exercise of equipment and free strength, the arm sleeve has little influence on the movement compared with the waist pocket.
3 Gym exercise intensity, sweating will be more, purse tied to the waist, not conducive to sweating, but also affect the state of exercise.
If you use it outdoors, you should pack it.
1 outdoor sports, mountain climbing, cycling and other sports need to carry stronger mobile phone equipment, and the wallet is just enough.
2 The arm will be used frequently outdoors, or crawling or scratching, and the arm sleeve will hinder the frequent use of the arm and may rub, leading to the danger of falling, while the purse does not exist, making the user more flexible in the main trunk and parts.