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  • Boreal - Mutant Climbing Shoe - One Color
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  • Boreal - Mutant Climbing Shoe - One Color

Boreal Mutant Climbing Shoe


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    • US 7.0/UK 6.0
    • US 8.0/UK 7.0
    • US 8.5/UK 7.5
    • US 9.0/UK 8.0
    • US 9.5/UK 8.5
    • US 10.0/UK 9.0
    • US 10.5/UK 9.5
    • US 11.0/UK 10.0
    • US 11.5/UK 10.5

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    • One Color

    5 Reviews


    Mutate into a harder climber.

    Boreal's Mutant Climbing Shoe is a freak of nature on any climb from slabby boulders to technical, overhung sport routes. Its Lateral Torsion System influences a highly asymmetric shape with a sharp downturn that sticks to microscopic edges and straight-up slab without a problem. The premium split leather upper features Boreal's new Friction Skin over the toe, which applies a thin rubber to give a good grip on toe hooks that won't interfere with the shoe's flexibility. Zenith's grippy rubber is thicker below the toe and thinner in the middle to give a greater flex, and the anti-formation midsole ensures long-lasting quality.  
    • Split leather upper with Friction Skin
    • Lateral Torsion System
    • Elastic gore with hook-and-loop strap
    • Anti-deformation midsole
    • Zenith rubber sole
    • Item #BRF0007

    Tech Specs

    Upper Material
    split leather, rubber
    elastic, hook-and-loop strap
    Zenith (4.5mm)
    aggressive downturn
    Asymmetrical Curvature
    Claimed Weight
    1 lb 0.22 oz
    Recommended Use

    Tech Specs

    • Reviews
    • Q & A

    What do you think about this product?

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    Excellent for wide feet

    • Familiarity: I've put it through the wringer
    • Fit: Runs small
    • Size Bought: 10.5
    • Height: 5'9"
    • Weight: 180lbs

    I have wide feet, which makes most climbing shoe brands inaccessible to me. I've tried every line in Scarpa, 5.10, Sharma, etc., but nothing really fit. Enter the Boreal Mutant and my feet are happy again. These shoes tend to run a bit smaller, so try them out in half a size larger than expected. Other than that, these shoes have been great for bouldering.

    Comfortable Stiff Shoe

    • Familiarity: I've put it through the wringer
    • Fit: Runs large
    • Size Bought: 11.5
    • Height: 6'
    • Weight: 195lbs

    My use: Indoor bouldering, indoor and outdoor sport primarily 5.9 - 5.12. Have owned them for 4-5 months.

    Fit: I wear size 12EE (wide) street shoes. Bought these 11.5 and they are comfortable. For a more aggressive fit I could have gone down half a size but I rarely feel like I pop off the wall because of loose shoes. These "suck" onto my foot, and the heel holds very well.

    -Stiff rubber means these edge very well
    -Durable, edge is holding after months of climbing 4-6 days a week
    -Comfortable. I usually take them of between climbs, but I could probably keep them on for over an hour without murdering my feet.
    -I feel these heel/toe-hook better than my Shamans
    -Craftsmanship seems very good

    -Very stiff, these don't have nearly the sensitivity as my Shamans
    -Rubber is not super sticky. I will probably stop using these indoors because they just don't stick well to plastic. Less of an issue on rock.

    Make Climbing Shoes Great Again

    • Familiarity: I've put it through the wringer
    • Fit: Runs small

    These are awesome shoes. Great for any type of climbing, and have a very nice fit. Contrary to other reviews, I think these run small. Even through they're good for all types of climbing, they definitely excel at bouldering and harder sport climbs.

    Make Climbing Shoes Great Again

    good fit

    • Familiarity: I've put it through the wringer
    • Fit: Runs large

    I bought these half size smaller than my regular street shoes and I think that's spot on advice. I have wide feet that are not too tapered, the toe box is about the same as the LaSportiva Solutions. Toe box is just as tall as the Solutions, but not as pointy, which is why I bought these. They are not as downturned as I had hoped, but it's not really affecting my projects too much. I got my first V7 in these, not sure if these shoes had anything to do with that? They don't really stretch, my right foot which is slightly bigger than my left foot is still difficult to get on, I'm pulling really hard on the loopholes to get my heel in. My left foot fits perfectly. I get the nice "suction" sound when I put these on. I've been climbing in these for the last 3 weeks and I really like them. The zenith rubber is soft and tacky. Heel is not as narrow as I hoped but hasn't affected my heel hooks. Great looking pair of shoes too!
    Update after 3 months of use: My big toe is getting messed up morphologically because this shoe has not stretched at all and I'm no longer wearing this because it's too painful and not worth the permanent damage it will do to my feet, switched to much more comfortable La Sportiva Genius

    Stoked on These

    • Familiarity: I've used it once or twice and have initial impressions
    • Fit: True to size
    • Size Bought: 11.5 US 10.5EU
    • Height: 5'10"
    • Weight: 190lbs

    First and Foremost, the shoes got the 4/5 because they are my first pair of aggressive shoes and I don't have much to compare them to.

    Fit: My street shoe is a 12, I have slightly wider foot, and my toes are slightly tapered, Roman. I downsized a half size from my street shoe (like I did with my Evolv Pontas II) The fit is nice not too much in the way of pain, just minor discomfort the first hour or so. I feel like the worst of the break in period is right out of the box. I would say the feeling is the same as far as stretching my Evolvs, if that makes sense.

    Climbing: From my little experience with the shoes thus far I can tell you: The toe rubber is a pretty neat, the heel hooks are secure, stiff shoes, edging felt great.

    Only con so far is the lack of Boreal swag.. no stickers or nothing?!?! Thank you for the sticker & granola though, you're a real one for sure :P Overall excited to take these bad boys to the sandstone in Red Rock this season.