Hydration Backpack - Lightweight Water Backpack Color:Black FASTENING STRAP: The two side

FASTENING STRAP: The two side fastening straps with adjustable design fixes the bottles

· With Yoga Mat Fixing Straps: This gym bag comes with two elastic fixing straps on each side

The inner liner is made of thermal insulation material

4 beverages

cross-body

Hydration Backpack - Lightweight Water Backpack Color:Black FASTENING STRAP: The two sideBreathable Mesh Shoulder Straps: Equipped with the ventilated mesh shoulder straps on this water backpack for air circulation, keeping you cool and preventing discomfort due to accumulated heat. This adjustable shoulder strap is made of silica gel, which is more comfortable to wear than cotton. Minimize pressure with its ergonomic design. This running hydration vest is lightweight enough to make it comfortble when running, hiking, cycling, biking,