Ipari Prio for Men

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Sleek styling. Flexible FeelTrue® sole for natural power transfer. Lightweight construction (7.6 oz. M9) for efficiency and speed. Superior comfort with an anatomically-correct wide toe box, adjustable instep straps, and non-elevated "Xero-drop" sole. Low-to-the-ground (9mm stack height) for balance and agility. Prio — the wheels for your engine.

Get the right size for your Prio

Shoe sizing, especially online, is not a perfect process. That’s why we have a free exchange policy.

Because the foot is three-dimensional, any two-dimensional measuring tool, such as a ruler or Brannock device®, can only approximate your true shoe size. Manufacturers model their shoes on different foot shapes which is why you might be an 8 in one brand and a 9 in another.

The Prio fits “true-to-size” or a TINY bit small. So you’ll probably be okay selecting your “usual” shoe size.

NOTE: The width of the Prio is approximately EE width.

NOTE for Hana owners — The Prio is a bit wider than the Hana and, with the multi-part upper (compared to the Hana’s single-piece upper), it’s more accommodating for wider feet. Also, if you already own a pair of Hana, we suggest going up 1/2 size from those; some people like a bit more room for a performance shoe.


Sizing for a shoe is different than a sandal, so if you own one of our sandals, that doesn’t mean you’ll pick the same size in the Prio.

After following these instructions, if you think you’re “between sizes,” go up a 1/2 size.


2 Simple Steps to the Correct Fit


1) Measure your foot

  • Place a piece of paper against a wall (if you have VERY large feet, use a piece of newspaper.
  • If you plan to wear socks with your Prio, put those on
  • Place your foot on the paper, with your heel against the wall.
  • Make a mark on the paper at the furthest point away from the wall… this will either be just in front of your big toe or second toe
  • Take a ruler and measure from the edge of the paper to the mark you made.

Measure your feet for running shoes

Here’s a video showing the process:


2. Check your measurement against the chart, below

Men’s Prio Sizing Guide
Foot Length
Foot Length
Men’s Size(US)Men’s Size(UK)
Up to 9 3/8″ Up to 242mm 6.5 6
Up to 9 1/2″ Up to 246mm 7 6.5
Up to 9 3/4″ Up to 250mm 7.5 7
Up to 9 7/8″ Up to 254mm 8 7.5
Up to 10 1/8″ Up to 258mm 8.5 8
Up to 10 1/4″ Up to 262mm 9 8.5
Up to 10 3/8″ Up to 266mm 9.5 9
Up to 10 5/8″ Up to 270mm 10 9.5
Up to 10 3/4″ Up to 274mm 10.5 10
Up to 10 7/8″ Up to 278mm 11 10.5
Up to 11 1/8″ Up to 282mm 11.5 11
Up to 11 1/4″ Up to 286mm 12 11.5
Up to 11 1/2″ Up to 290mm 13 12.5

We want to make sure you get the correct size and enjoy your Xero Shoes. If you have any questions, call us at + 61 414 265 398 or email us

14 Reviews Hide Reviews Show Reviews

  • 5
    love em

    Posted by Unknown on 17th Jan 2018

    My 5th pair of zeros and these Ipari Prios are great

  • 5
    The most comfortable shoe ever

    Posted by John on 6th Dec 2017

    The first thing I noticed about these shoes is that they are completely unique from any other. They are a great fit and comfort second to none. I wholeheartedly recommend!

  • 5
    The most comfortable shoe ever

    Posted by John on 6th Dec 2017

    The first thing I noticed about these shoes is that they are completely unique from any other. They are a great fit and comfort second to none. I wholeheartedly recommend!

  • 5
    The ultimate in marginal gains!

    Posted by Simon Weir on 2nd Nov 2017

    The Prio is the best shoe to jump into (and stay in) barefoot running! I speak of marginal gains as barefoot running (properly built up) becomes the most effective form of injury prevention; with the strength in calves, ankles and ligaments etc. being effortlessly maintained from training alone. F**k orthodics man...the worst and most expensive lie I've payed for. The Prio is amasing for running in particular, giving great protection from gravel, twigs and glass while still maintaining the ground feel approaching that of Vivobarefoots! Phenomenal value being $50+ dollars cheaper! If you're thinking of barefoot running or entering the world of barefoot truth, these are the shoe for you

  • 5

    Posted by Mike E on 14th Aug 2017

    I'm not a runner, so can't comment on that aspect, but walk quite long distances daily and am approaching 60 years in age. For most walks, I prefer Xero sandals (Z-Trek) or bare feet but wear the Prio for bushwalking to prevent sticks, rocks, sand etc. becoming lodged between foot and platform (I'm a bit wimpy in that regard!). Until recently, I wore a popular high ankle hiking boot as I had a bad ankle injury a few years ago from slipping on a track. Interestingly, I never felt very secure in these. As soon as I started walking a track in the Prio, I realised why - the sole was so thick that my feet would 'see-saw' over rough ground. The flexible, thin Prio sole feels feels so much more stable and 'secure' - I've even started rock hopping which I haven't done in ages for fear of injuring the ankle again! Also, wide toe box and minimal support make for a really enjoyable 'almost barefoot' walking experience!