Butora Nix Climbing Shoes Review

The Butora Nix surprised me. It’s not the flashiest shoe at the gym, but it fixed a problem I’ve had for YEARS: finding a comfy aggressive shoe that actually fits my duck feet.

The Nix has a wide toe box, a soft-but-not-too-soft sole, and just enough downturn to feel powerful without feeling abusive. It edges better than any $100 shoe has a right to, smears better than most aggressive models, and doesn’t destroy your feet after one pitch.

It’s not perfect—power toes and mega steep boulders will need something sharper. But for the price and for those of us with wide feet or fatter toes? This might be the new go-to for folks who want to step up their climbing but can’t handle classic torture slippers.

Shoes: they’re the first thing you buy that makes you realize climbing is a freak sport for freakish feet. I started ClimbingShoesFit after showing up at my first gym wearing a pair of shoes I could barely cram my feet into.

They were too tight, the wrong shape, and I spent more time limping between attempts than actually climbing. The reviews out there felt robotic—like everyone was just copying specs.

So, after years of swapping pairs, taping toes, and staring at my ugly, wide feet wishing for an answer, I started this blog. I want other climbers to skip the pain and confusion and get honest advice.

That’s why, when I heard the Butora Nix was designed for wider feet, I HAD to check it out. Would this be the shoe that finally let me climb without ripping off my shoes every five minutes?

Here’s my hands-on review after weeks of bouldering, sport sessions, and a few unexpected wins (plus some blisters) in the Nix.

Let’s take a look at what makes this climbing shoe unique.

I have a love-hate thing with edging. I’ve lost projects to shoes that felt like bananas on dime edges, and I’ve sent problems in shoes that felt like boards but murdered my toes. The Nix lands somewhere in the middle.

First real test: the blue circuit at my gym, where the final move is a balancey step on a tiny sloper edge. I expected flop, since most wide shoes fold right away on these. Not so with the Nix.

That slightly downturned toe let me put power into the edge, even though the rubber is a touch softer than La Sportiva Miura or Scarpa Vapor V.

Outdoor limestone? It did really well on worn chips. The toe box isn’t shaped for dagger precision, though, so you can’t toe in on razor pockets as confidently as with something like the Solution climbing shoe (which murder my feet, so I just can’t).

Every session, the Nix surprised me. The flex is enough that the shoe molds around an edge, but it’s stiff enough that you aren’t wobbling off every time you stand on your toes.

I did wish for more ‘power’—sometimes, my big toe felt like it was pushing through foam instead of stone, but for 95 percent of single pitch sport and gym plastic, this shoe is a joy for edging if you like comfort.

This is where I got a little giddy. Two weeks into breaking in the Nix, I hit my usual slab warm-up—shiny, flat PVC like ice. Normally, aggressive shoes skate, especially if they’re stiff. But the Nix has just enough flex under the arch, so the entire sole can press into the wall. That wide toebox really helps your forefoot grab and twist as you pivot.

I noticed real gains outside at my local sandstone spot. The slabby routes with nothing but smears and high steps were totally possible. Did I trust the Nix like my soft slippers? Not totally. The rubber isn’t ‘super sticky,’ but the shoe’s flex and comfort mean you can press more of your foot onto the wall.

For new climbers getting their first taste of ‘scary smearing,’ I think Nix is less intimidating than most pointy, downturned models.

Comfort is why you buy the Butora Nix. I pulled these out of the box desperate for a wide fit. My street shoe is EU 43 (US 9.5/10), I went with the same size, and honestly, first session was a breeze.

The wide toebox means my toes could actually sit mostly flat. I didn’t get that butt-crunching ‘toe knuckle pop’ you get from narrow, super aggressive shoes. The upper is synthetic (no crazy stretch) but it molds quickly.

I’m not saying these feel like pillows—you still get a snug, locked-in feeling at the heel and forefoot. But I slammed out two boulder circuits and didn’t have to rip my shoes off between tries. After one week of gym climbing and a weekend on the rock, they already felt like an extension of my foot.

Tip: if you’re coming from tight, pointy shoes, the comfort here might tempt you to go down a size. For most people, going with your street shoe size or half a size down is best—it takes a week, but then they’re magic.

Comfort and support mean you lose a bit of ground feel. The forefoot is a touch thick compared to performance shoes.

That said, after four sessions the upper softened up and I could start feeling holds under my big toe—enough to keep me accurate on easy overhangs.

If you love feeling every pebble, the Nix may feel ‘dull’ at first. But compared to my first pair of Evolv Defy (straight up wooden), these are lively. You’ll feel micro features and when your smear is actually working, but not every grain of sand.

I’d say they’re medium in sensitivity—a good starting point if you’re ditching your first flat shoes for something more aggressive.

For toe hooks? The Nix is pretty good. The big rubber patch over the toe means you won’t shred the top of the shoe on hooks. I sent a yellow power problem at the gym—big toe hook around a volume, right after a campus move.

Stuck first try (normally I miss), and my foot stayed locked. On thinner toe-catches, the Nix isn’t quite pointy enough. So, on very small nubbins, it can feel hard to get real purchase.

Heel hooks are solid, though the thick rand means it’s more suited to ‘catch’ style heel hooks (like catching a horn or flake) rather than delicate, finicky moves.

Out on a rough granite arete, I could jam my heel and trust it wasn’t slipping. If you have a low-volume heel, you might notice a bit of play, but the padding helps fill it out for average and wide heels.

I’d give it above average marks for toe hooks, reliable for most gym-style bouldering and friendly outdoor holds.

Biggest surprise? How much more I could climb without foot pain. I used to rip my shoes off after EVERY climb, slapping them on the mat and hopping around. The Nix—if anything—let me actually chat and rest at the wall without cringing.

Memorable session: On a beta-burn run at the limestone crag, where I would normally blame failing on foot pain, I ran three full laps in the Nix and only stopped because my fingers gave out. That just never happens.

Got my first outdoor V4 slab in these, because I actually trusted my feet on tiny smears.

What changed? I actually enjoy putting my shoes on. And I climb more pitches per session.

If you’re like me—duck feet, wide at the toes, flat-ish arch—you’ll understand why finding shoes is a nightmare.

The Butora Nix is a REAL wide fit (not just ‘slightly wider’). The toebox is rounded, not pointed, so your toes can spread.

Who’ll love it:

• Wide feet (especially if you have a ‘roman’ or ‘square’ shape—think straight across toes or a blocky forefoot)
• Medium volume heels/arches
• People whose little toe always takes a beating in regular shoes

Who’ll struggle:

• Narrow feet—there’s too much dead space, can be sloppy
• Greek foot shape (if your second toe sticks wayyyy out)—the rounded box might not fit or feel precise

Best for Roman or Square foot shapes, where the toes are more even in length or the forefoot is broad and blocky.

The roomy, rounded toebox lets toes spread naturally, reducing pressure on the pinky toe.

Not ideal for Greek foot shapes (long second toe) as the fit may feel less precise on small holds.

Best for medium to wide feet. The toebox is roomy, so if you have broad toes or a ‘fanned’ foot, these will actually fit instead of crushing your pinky toe. If you have narrow feet, they’re just too loose.

The Butora Nix is made as a unisex shoe, available in a broad size run for men and women. Sizing starts around EU 36 and runs to EU 48, so most climbers will find a fit.

I’m a EU 43 (US 9.5/10) street, so that’s what I bought. Out of the box, the Nix fit my toes flat—not curled, but snug.

Here’s my advice for sizing the Nix:

• Go with your street size for comfort, all-day sessions, or if you mostly climb indoors or single pitch outdoor stuff.
• Half size down if you want max performance and can handle a bit of squeeze for the first week—upper eases out, but doesn’t stretch as much as leather.
• DO NOT size up—these are already roomy. If you do, you lose all the power and edging the shoe has to offer.

For context, I wear Scarpa Veloce in 42.5 for performance and often have to take them off after every climb. The Nix in 43 felt like a ‘normal shoe’ but with actual grip and downturn.

I’ve got about 4 months on these, rotating them between 2-3 sessions per week, indoors and outdoors.

Butora is underrated for bombproof build. The double-layered rand at the toe hasn’t shown a single scuff, which for me is wild—I always blow through shoes at the big toe crease. The Velcro and stitching are holding up, zero issues.

The only complaint is the rubber feels a bit harder than competition stuff, so expect a tiny bit of glazing over time, especially on plastic. But that’s what makes them last longer.

I bet I’ll get a year out of these with regular climbing. If you’re looking for a workhorse, it’s hard to beat the Nix for value.

Here’s where I think the Nix CRUSHES it. For the comfort, the durability, and the all-round climbing it delivers, there aren’t many shoes near this price that give you as much for wide feet.

If you’re an advanced climber pushing tiny granite edges, you’ll want something sharper. But if you’re upgrading from starter shoes or desperate for a wide, comfortable option for everything from bouldering to multi-pitch? I’d 100 percent recommend it.

The Nix isn’t a hype shoe, but it’s saved my feet and improved my sessions. Totally worth the money for the right climber.

As with anything one size doesn’t fit all. Here are my recommendations.

They’re probably NOT for:

• Narrow-footed folks
• Pocket specialists needing pinpoint, ultra-precise toes
• Elite climbers focused on caves or razor overhangs
• Anyone chasing ultra-soft, super sensitive comp slippers

These are for:

• Climbers with wide feet or wide forefoot
• Anyone transitioning from rental or beginner flats to an aggressive model
• Climbers who prioritize comfort and durability
• Boulderers or sport climbers who want ‘all-day’ performance without pain