Nathan QuickStart 3.0 4L

Run farther, run freer.

The Nathan QuickStart 3.0 4L is your go-to minimalist hydration pack, purpose-built for runners and outdoor athletes who demand lightweight performance and functional storage. With a 1.5L bladder, bounce-free fit, and air mesh ventilation, this vest offers hands-free hydration without the bulk.

A spacious rear compartment and three front mesh pockets give you quick access to fuel, gear, and soft flasks (not included), while adjustable sternum and side straps ensure a customizable fit for most body types. Whether you're logging long trail runs or training for your next ultra, this vest moves with you, not against you.

Key Features

• 1.5L hydration bladder with easy-clean push-pull bite valve

• Adjustable side and sternum straps for bounce-free comfort

• Three front mesh pockets for stash, flask (up to 20oz), and zipped items

• Large rear mesh pocket with separate bladder compartment and pole keeper

• Dual hose exit ports and bladder securement loop

• Quick-drying, durable outer shell

• Breathable air mesh back panel and straps

• Reflective elements for 360-degree visibility

• Total storage capacity: 4L (244 cu in)

• Weight: 12.4 oz (with bladder), 7.5 oz (without bladder)

Ideal For

Runners, hikers, and endurance athletes looking for a lightweight, customizable hydration vest with ample storage for essentials.

Why We Love It

It strikes the perfect balance between minimalism and function—streamlined enough for speed, but capable enough for long-haul adventures.