• nylon-mesh
• Imported
• Lightweight for Running: The 5.5 L running hydration vest weighs just 150 g / 5.3 oz, 15.7"*8.2" size, reducing much of the load during the running. The less time you want to spend on the trail, the hydration backpack needs to be light. Suitable for middle and long distance running
• Convenient Hydration System: The running backpack comes with a 1.5 L TPU hydration water bladder is leakproof and blowproof. The mouthpiece is protected from leakage by a dust cap and will not drip on the shoulder when locked. The bladder opening is large enough to be cleaned or filled with ice
• Multiple Storage Compartment: The water backpack for hiking with 7 storage pockets. There are 2 zippered pockets, Your hydration packs can store all tiny items such as keys, wallet, phone, energy bars, snacks, sunscreen etc
• Breathable and Adjustable: Lightweight mesh maximizes breathability. Soft shoulder strap edges prevent the race vest from chafing skin. Lightweight cycling backpack with sliding adjustable chest straps and waist strap to enhance fit and reduce bounce during exercise
• Ideal for Outdoor Activity: This water backpack for running can be used for running and hiking. It is also suitable for almost all outdoors activities such as marathon, riding, race, camping, etc. Hiking backpack water bladder vest
• After sale: If you have any questions about this running vest, please reach out to us, we will reply within 24 hrs