ONETOALL Running Vest Women with Water Bladder 2L, 6L Reflective Hydration Backpack Mens, Lightweight 150g for Trailrunning Hiking Marathon, Light Grey with Water Bladder

• Tired of bouncing hydration packs? Features a fully detachable chest strap that locks in place without sliding, giving you a customizable fit that stays put during intense movement
• Ample Storage Without the Bulk: Multiple pockets and a back compartment provide organised space for essentials like phones, keys, and gels—no more juggling items mid-run
• Disappears When You Run: Engineered for runners who hate bulk, the 150g vest carries 2L of water while maintaining complete upper body mobility - you'll forget it's there
• Your Back's Best Mate: This ergonomic running vest contours to your back's natural shape, redistributing weight to your core for all-day comfort - whether you're tackling hill repeats or logging long miles
• Stay Visible, Stay Safe: Logo and webbing with reflective design on running water vest enhances visibility during nighttime activities, you can rest assured to engage in safe activities at night
• Breathe Like Never Before: ONETOALL hydration vest is made of the new knitted fabric and upgraded mesh fabric. And provide excellent breathability to keep your back cool and sweat free during exercise
• Size Doesn't Matter Here: Engineered to fit chests 31.5"-55.12" and weights 88.18-286.6lbs, - from speedy lightweights to powerhouse ultrarunners. No more sizing guesswork
• One Pack, Endless Possibilities: Engineered for runners, cyclists, and hikers alike, so you can transition between sports without changing bags
• Multi Functional Storage: Our running backpack have a individual bladder warehouse for your 2L bladder, and a main warehouse for your clothes and towel. In addition, also has elastic pockets and zipper pockets on the front shoulder
• Leak Proof Water Bladder: The Water Bladder has a high flow self-locking function to prevent leakage. Quick disassembly design for water pipes is more convenient and BPA Free and odorless Pressure resistant and durable

ONETOALL running vest was designed by marathon runners and underwent 1 million shaking tests, equivalent to an adult running 1 million meters (24 full marathons). Hydration vest designed with detachable chest strap, chest strap storage, reflective fixing tape, and adjustable elastic rope. Providing hydration without added burden, whether you're running, cycling or exploring nature on a hike.