Let’s be honest: figuring out the right size for climbing shoes can feel a bit like trying to solve a boulder problem blindfolded.
Every climber I know (including myself) has struggled with sizing at some point—either ending up with shoes that were way too tight or so loose they might as well be slippers.
So, how do you actually find the right size, without making expensive mistakes?
Why Sizing Feels So Tricky
Here’s the catch: climbing shoes are not like your everyday sneakers. The “right” size isn’t always the number you wear in street shoes.
Some brands run small, others run big, and the type of climbing you do (bouldering, sport, trad) can also influence what’s best. Add in personal foot shape—like wide vs. narrow feet, or a long second toe—and it gets complicated fast.
When I first started climbing, I made the classic mistake: I sized down way too aggressively, thinking I needed my toes painfully curled to climb better.
(Spoiler: I just got foot cramps and hated putting my shoes on.)
Over time—and a lot of wasted money—I learned some key lessons.
What Actually Matters?
- Fit over size: Don’t get obsessed with the number. Focus on how the shoe feels on your foot.
- Toe position: Your toes should be close to the end, maybe gently touching or with a slight curl—but not painfully bunched or knuckled.
- Heel fit: The heel should feel secure, with no dead space or slipping when you walk or pull on a heel hook.
- Width: The shoe should hug your foot closely, but not create pressure points or hot spots.
- No big gaps: Avoid shoes that leave dead space in the arch, toebox, or sides.
How Tight Are Climbing Shoes Supposed to Be?
Here’s the golden rule: climbing shoes should feel snug all around your foot, but not painfully tight.
Your toes will probably touch the end and curl slightly, especially in aggressive climbing shoes, but you shouldn’t feel real pain or lose circulation.
If your shoes hurt so much you can’t keep them on for more than a minute, they’re too small.
If you can wiggle your toes like you’re wearing house slippers, they’re too big. Somewhere in the middle is that “just right” Goldilocks zone.
Should You Size Down for Climbing Shoes?
A common question: “Should I get a size down in climbing shoes?” The answer? Sometimes!
Most climbers end up sizing down a half or full size from their street shoe, especially in leather shoes that stretch. But every brand and model is different. For example, Scarpa Drago sizing is known to run small, while Black Diamond’s Momentum model fits closer to street size.
Always check how much the shoe stretches: leather = more stretch, synthetic = less. If you’re unsure, start with your street size and try a half-size down as well.
Trying Shoes On: My Tips
If possible, always try on several pairs before buying. Here’s what I do when testing a new pair:
- Bring thin socks (if you wear them) and trim your toenails first.
- Try both your street shoe size and half a size down. Some brands, like La Sportiva and Scarpa, can fit very differently.
- Stand on your toes, edge on a stair, and try a squat. The shoe should feel snug, but not unbearable.
- Wear the shoes for a few minutes, walk around, and see if any areas hurt right away.
- Remember that shoes with synthetic uppers won’t stretch much, while leather shoes can give a bit more over time.
- If you’re planning on multi-pitch trad or all-day climbing, consider a slightly looser fit for comfort. For bouldering and sport, a snug performance fit is usually best.
Shopping Online?
Here’s How to Reduce the Risk
I get it—sometimes your only option is buying online.
Here’s how to up your odds of getting the right size:
- Check reviews and sizing charts from the brand, but also from real climbers.
- Look for shops with good return/exchange policies, in case the fit is off.
- If you already own a climbing shoe, use it as a baseline for your new pair.
- Ask around! Most climbers at the gym have tried a bunch of shoes and can give advice on how different models fit.
It’s Normal to Try a Few Pairs
Honestly, most climbers don’t nail it on the first try. I’ve owned shoes that felt great in the shop and awful on the wall, and vice versa.
If your first pair isn’t perfect, don’t stress—it’s just part of the process. The more shoes you try, the better you’ll get at knowing what fits your feet (and your style) best.
Quick Sizing Checklist
- Toes touch the end, slight curl is okay, but no real pain.
- Heel is secure, no major slipping.
- No pressure points or pinched spots.
- Shoe feels snug all around your foot.
- You can keep the shoes on for at least a few minutes without wanting to tear them off.
The Bottom Line
Finding your perfect climbing shoe size isn’t an exact science, but it does get easier the more you climb.
Start with comfort, listen to your feet, and don’t be afraid to ask for help—either in the shop or from fellow climbers. Your future self (and your toes) will thank you.
If you want shoe-specific sizing tips or want to know how a particular brand fits, check out my detailed reviews—each one includes real sizing advice, mistakes I made, and how to get the best fit possible. Happy climbing!
