








4.8 · 612 Reviews
CoreFlow
Running vest with built-in hydration bladder · 4 colorways
$29.00
$59.00
- 1.5L bladder — sip without breaking stride
- Locked-down fit that never bounces
- Mesh back panel keeps air moving
Total
$29.00
Water on demand
Drink without breaking stride
The bladder sits flat against your back and the tube clips right where your hand lands. No bottle juggling, no stopping at fountains — just bite, sip, and keep moving.
- 1.5L Insulated BladderEnough water for a half marathon or a long trail loop, with a leak-proof cap and bite valve.
- Zero-Bounce CarryDual chest straps and side cinches lock the load down so nothing shifts on descents.
- Ventilated Back PanelOpen mesh channels heat away from your spine, even on humid summer runs.

CoreFlow in action
See how it moves with you
A quick look at the vest in motion — sip, run, repeat.
Rated by 612+ runners
What runners say after the miles
“Finally stopped carrying bottles”
I used to run with a handheld and my grip would be numb by mile six. The CoreFlow just sits there and the tube is right at my mouth. Total game changer for long runs.
Tomas R.
Verified purchase
“Zero bounce, even downhill”
I was sure a vest with water in it would slosh around. It doesn't. Cinched the side straps once and it's stayed locked to my back through some rough descents.
Priya N.
Verified purchase
“Great for early mornings”
I run at 5am on unlit roads. The reflective strips light up hard when a car comes around a bend. Feels much safer than the reflective shirt I was using.
Marcus B.
Verified purchase
“1.5L is the right size”
Enough for a two-hour trail loop without feeling like I'm hauling a backpack. Refills easily at the trailhead and the cap has never leaked on me.
Elena V.
Verified purchase
“Wear it in the gym too”
Bought it for running but I use it for weighted conditioning circuits now. Sits tight to the chest and the phone pocket doesn't flap around during burpees.
Jordan K.
Verified purchase
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