This lightweight vest uses the AdaptiveFit? system to fit the runner. With its breathable, chafe-free materials, it ensures you have the hydration and storage capacity you need for your next marathon, trail run, hike or obstacle course.
The adjustable sizing system of the Nathan Vapor Swift 4L Men's Running Hydration Jacket fits all men perfectly. The vest is rather snug and the overall size can be small, so it is recommended to size up.
This no-bounce hydration vest can hold all your running essentials with different storage pockets. Stay hydrated with the 1.5L bladder and side storage pockets that can hold multiple bottles.
Includes a 1.5L bladder and its quick release valve system.
Two side storage pockets (holds up to 650ml or 22oz bottles).
Large main storage compartment.
Rear kangaroo pocket for essentials and more.
Lightweight and comfortable
Breathable, no-bounce, no-chafe materials.
Secure front zippered shoulder pockets.
360-degree reflective details for low-visibility runs.