Sports Chest Bag, Breathable Chest Cellphone Bag with Reflective Strip & Portable Hooks for Workouts Cycling Hiking Hunting

【Built-in Headphone Jack】: This waistcoat bag is equipped with a practical headphone jack, allowing you to easily access your device without removing your headphones while exercising outdoors. 【Adjustable Shoulder Strap】: The shoulder strap of the waistcoat bag can be freely adjusted to fit different body shapes, ensuring that every user can enjoy a snug and comfortable wearing experience. 【Night Vision Reflective Strips】: The sports chest bag is specially designed with night vision reflective tape to enhance visibility at night. 【Breathable Cooling】: The back of the harness bag is made of breathable mesh material to ensure that your back stays cool and fresh in all weather conditions. 【Convenient Hooks & Holes: The waistcoat bag is equipped with convenient hooks and holes so that you can easily hang your glasses and other small items.