UD Ultra Vest 4.0


The UD Ultra 4.0 is for the dedicated trail runner who requires a sleek fit and a comfortable ride. The highly rated and popular vest is a prized gear item for the Ultra distance runner.

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A 10.3 liter do-it-all vest

For runners and racers wanting no compromise, training and race day performance

Sliding rail sternum straps

For easy adjustment.

Extensive front storage

Holds phone, fuel and valuables. Stretch mesh pockets are phone compatible.


Trekking pole holder

Redesigned to minimizes bounce and snaps out of the way when not in use.

Comfort Cinch Technology

Provides a custom fit with easy on-the-go adjustment.

Plenty of pockets to bring all you need for all-day runs in any weather

The stable fit of a vest combined with the carrying capacity of a pack.


+ Bottles Included: 2 Body Bottle 500s
+ Volume Capacity: 629.76 in3 / 10.32 L
+ Weight With Bottles: 10.72 oz. / 304 g
+ Weight Without Bottles: 7.27 oz. / 206 g
+ Reservoir Compatible: 50 and 70 oz (sold separately)

Sizing at Bottom Ribs (Unisex):

SM: 23 – 32 in. / 58 – 81 cm
MD: 30 – 39 in. / 76 – 99 cm
LG: 37 – 46 in. / 94 – 117 cm

Additional information

Weight N/A
Dimensions N/A

Signature Blue


L, M, S


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