Product Description
A good pack makes a difference in your long runs. Your stride opens up, your arms can swing the way they're supposed to, and you have all the nutrition you need on board the moment you let go of a bottle.
The QuickStart 3.0 4L is Nathan's minimalist pack. It's built to get hydration out of your hand and onto your back, carrying 1.5 liters plus your phone, gels, and a layer in a pack that weighs just 7.5 ounces empty.
Your hands stay free – The 1.5 liter NATHAN x HydraPak bladder sits in its own compartment with hook and loop keepers so it stays put as it empties, and the push-pull bite valve pulls apart in seconds for cleaning.
No bounce comfort – Adjustable straps run across the front and both sides, so you dial in a snug fit through the chest and ribs, with elastic keepers tucking away any extra webbing.
Room for more without extra bulk – Two expandable mesh pockets up front hold a soft flask and small essentials, a zip pocket secures your phone or keys, and a rear stretch pocket plus elastic pole keeper cover a jacket or trekking poles.
The bladder's hourglass shape and internal baffle keep water from sloshing side to side, which is the sensation that makes bigger packs feel unstable at speed. Hose exit points sit at both shoulders, so you route the bite valve to whichever side you reach for. The straps and pockets are quick-dry mesh that sheds sweat and rain, and reflective details add visibility for early morning or evening runs. The one size fits most cut covers a wide range of chest and torso sizes, which is why the straps adjust as far as they do.
How to Use the Nathan QuickStart 3.0 4L
Fit: Cinch the sternum strap first, then pull both side straps until the pack sits flat against your back. Re-adjust once the bladder is full, since 1.5 liters of water changes how the pack settles.
Longer runs: Load the front pocket with a 20 ounce soft flask for extra fluid or an electrolyte mix, and use the zip pocket to keep your phone or keys secure.
Rinse the bladder and hose after every run with warm water and let both dry fully before storing the pack to keep mold from building up inside.
For gear that arrives damaged or falls under the manufacturer's warranty: Please send a photo of the damage or error message to hello@thefeed.com. We will either help process a claim for the product and a replacement product or store credit will be provided, or we will direct you towards the correct place to make a warranty claim for the product. For returns on gear that you have used, we follow the manufacturer's instructions for satisfaction guarantees. This is specific to each gear product, terms and conditions may change.
Nathan Quick Start 3.0 4L FAQ's
Everything you need to know about Nathan Quick Start 3.0 4L.
It comes with a 1.5L Nathan x HydraPak QuickStart Bladder, with a push-pull bite valve that makes drinking on the move and cleanup afterward easier. Total pack storage is 4L, so you've got room for gear beyond just the bladder.
It's built as Unisex One Size Fits Most, with adjustable front and side straps to dial in the fit across a wide range of body types. Wide side straps and elastic keepers (or the tuck-in pockets on the front straps) manage excess webbing so nothing bounces.
Yes. The front flask pocket holds up to one 20oz/591ml soft flask, sold separately, so you can run bladder-free or combine both depending on distance and conditions.
Between the three expandable front pockets (one flask, one stash, one zip), the large rear pocket, and the rear stretch mesh pocket for layers or bulkier essentials, you've got room for nutrition, a phone, and extra layers. There's also an elastic pole keeper if you're running with poles.
7.5oz/211g without the bladder, 12.4oz/352g with it loaded in. That keeps it light enough to forget you're wearing it on long efforts.