Reflective Material used on the front of the chest pack and backside too. It's for safety purpose in case lots of runners like running at nights Vest Shape Get Re-designed For back of Body!!! The concept Running Vest & Bag get perfectly connected, more comfortable and professional than a flat cloth panel.
Adjustable Straps. All the 4 straps are adjustable so that the bag fits almost any body size no matter strong man or even busty women can wear it comfortably!!!
Compact Men Chest Bags. When you put lots of accessories inside, the bag will NOT be Bloated. The Material we used for this chest pack is Water Resistant and Anti-Scratch Nylon, You will keep your item dry and safe from rainy day or sharp tools.

Sports Chest Bag For Men Women, Water Resistant Lightweight Front Chest Pack, Running Vest Bag With Built-In Phone Holder & Extra Storage For Workouts, Running, Cycling