AONIJIE 15L Hydration Backpack Running Vest for Women and Men with 9 Pocket Lightweight Trail Running Backpack Chest Circumference Adjustable for Marathon Race Jogging Cycling

Reflective strip design ensures safety at night. When you are not using the trekking pole, you can also hang it on the running backpack. The hydration vest provides you with maximum support and minimum burden. Provides you with ample space to store your belongings. If you have any questions, please feel free to contact us and we will answer you within 24 hours. Specifications: Name: Trail running backpack Material: nylon, spandex Weight: about 226 grams Color: black, navy blue, fluorescent green Size: M suitable for chest circumference: 78-90cm/30.7"-35.4" L suitable for chest circumference: 90-102cm/35.4"-40.1" XL suitable for chest circumference: 102-115cm/40.1"-45.2" If you are between sizes, please go up one size. Package includes: 1*Trail Running Backpack

• 【Lightweight and Breathable】The running hydration vest is made of lightweight and durable Cordura water-repellent fabric, with breathable mesh on the back and shoulders to keep you dry and comfortable.
• 【15L Large Capacity Storage】The trail running backpack has 9 pockets to store essentials such as 2* 500ml soft flasks, 2L hydration bladder, energy gels, tissues, keys and a phone up to 6.8 inches, making it easy to access your belongings while on the go.
• 【Ergonomic】Ergonomic designed vest-shaped bag coming with adjustable waist strap and high elastic chest strap. Easily adjustable with excellent stability to minimize bouncing and ensure a great fit while running.
• 【Three Size】M size is suitable for chest 78-90cm/30.7"-35.4", L size is suitable for chest 90-102cm/35.4"-40.1", XL size is suitable for chest 102-115cm/40.1"-45.2". The running vest is comfortable to wear, and runs a little small overall, so anyone with a larger body type would be advised to size up!
• 【Wide Applications】This sports backpack can be used for more than just hiking.It is suitable for almost all outdoors activities such as running, riding, camping, marathon, etc. Also a great gift for sports enthusiasts on Christmas, Thanksgiving, Birthdays, Father's Day.