Altevanz Running Vest for Women & Men, S/M (29"-37" Chest) lightweight no-bounce hydration, breathable 3D mesh

Altevanz Running Vest is an ultralight, no-bounce hydration vest that fits chests 29"–37" and carries two flasks plus a rear bladder for long runs and trail days.

This running vest combines a patent-protected adjustable fit with breathable materials and multiple storage points so runners can move freely without sloshing, chafing, or excess weight. Built for day runs, marathons, and trail outings, it balances hydration capacity with a minimal 7 oz feel while keeping essentials organized and accessible.

How does the vest prevent bounce and mid-run adjustments?

The Altevanz design uses dual adjustable chest and side straps to create a secure, body-hugging fit that reduces movement. Front drawstrings lock flasks in place to stop sloshing, and the curved anti-chafe neck keeps the upper chest comfortable during repetitive motion.

• Patent-protected dual adjusters for a customized no-bounce fit.
• Front pocket drawstrings secure soft flasks and prevent sloshing.
• Curved anti-chafe neck to avoid rubbing on long runs.

What hydration capacity and options does the vest offer?

This vest carries a 500ml soft flask included, room for a second 500ml flask, and space for an optional 1.5L rear bladder—matching many trail-pack hydration setups while weighing like a lightweight two-flask vest. The included soft flask has a leak-resistant bite valve and dust cover for clean, easy sipping on the move.

• Included 500ml BPA/PVC-free soft flask with bite valve and dust cover.
• Space for an additional 500ml flask in the front pockets.
• Rear compartment accommodates a 1.5L bladder for longer distances.

How breathable and comfortable is it in hot weather?

Altevanz uses 3D Air Mesh and quick-dry fabric that actively moves sweat away from skin, speeding evaporation and reducing that sticky, heavy feeling. The lightweight construction combined with ventilating mesh pockets helps maintain airflow so you stay cooler and chafe less on hot or long runs.

• 3D Air Mesh panels for improved airflow and reduced heat buildup.
• Quick-dry fabrics pull moisture away and dry rapidly between sessions.
• Minimal weight and low-profile design reduce friction and pressure points.

What storage and safety features does the vest include?

The vest offers ten pockets for organized, hands-free carrying: dedicated hydration pockets, a zippered sideways phone pocket that fits larger phones, and additional compartments for keys, gels, or a wind shell. Safety details like reflective logos and an integrated whistle enhance visibility and prepare you for solo or low-light outings.

• Ten pockets: three hydration pockets, six accessory pockets, plus a rear zip compartment.
• Sideways zip phone pocket fits most Pro Max-sized phones securely.
• Reflective front and back logos and included whistle for added safety.

Who is this for? The Altevanz Running Vest suits runners who want marathon- or trail-level hydration without the bulk of a pack. It’s ideal for minimal-gear road runners, trail runners who need extra fluids and organization, and fitness athletes seeking a secure, breathable vest that adapts to 29"–37" chest sizes. If you want reliable no-bounce performance, multiple hydration options, and quick-access storage in a lightweight package, this vest was made for you.