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While standing with your arms relaxed at your side, wrap a flexible tape or length of string around your chest at its widest point. The tape should go through your armpits and stay parallel with the floor while taking the measurement.
In stock, ready to ship
Free shipping on orders over $100
NOTIFY ME WHEN IN STOCK
Since the first iteration of the Zygos, tens of thousands of runners have utilised this high-capacity 14 litre race vest. The lightweight (386g nude / 517g bladder included) and comfortable wrap around design complimented by the new ErgoFit Harness ensures the Zygos 5.0 will be stable, comfortable, and hassle free.
Our ultra comfortable, versatile large volume pack utilised in any long run scenario, training or Ultra Distance racing. it's 14L capacity will comfortably hold all required race lists for any domestic or international ultra marathon from 50km, 100km and beyond. with three sizes, Small, Medium & Large you're sure to find the perfect fit.
The Zygos V5 is also available with hydration here.
Sizes: The measurement is around the widest part of your chest with a tape measure under your arms. Think about what clothing you expect to use with the pack and measure with this clothing on to achieve an accurate measurement as possible. If you find you're between sizes we recommend going up to the bigger size.
Small (76cm - 91cm)
Medium (81cm - 96cm)
Large (86cm - 106cm)
As at 1st February 2023: We are currently expecting minimal order processing delays of one to two additional days due to out of the ordinary weather events around the country. While most orders are being delivered on time and quickly there are still the odd few that take a bit longer.
Orders for the moment, are being processed and shipped within one to four working days of being received. Our expected order delivery schedule is...
This light is lightweight, comfortable and bright!, I used this in a 12 hour night race and could keep the brightness as high as I wanted (because the batteries are cheap and easy to change). It lit the trail well and allowed me to run at my pace (did not need to slow down for visibility).
Mike Hefti
★★★★★
Zygos V4.0
This vest is AMAZING!! I’ve had many vests over the years but this one beats them all, hands down. I love the placement of pockets, materials used and the overall thought of design that will be long lasting and comfortable at the same time.
Matt Ozanic
★★★★★
Nucleus Vest
Love the design with easy front bottle and phone access. I am short with short arms and love that it’s just an easy grab upfront and super easy to put back in place. Love the magnetic pickers for key fob and nutrition. Such an innovative design and UltrAspire nailed it.
