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Boreal Mutant Climbing Shoe
  • Boreal Mutant Climbing Shoe
  • Boreal Mutant Climbing Shoe
  • Boreal Mutant Climbing Shoe
  • Boreal Mutant Climbing Shoe




My vote: None ( 5.6 avg )


To climb the hardest routes and boulders, a shoe must excel in all areas; to find friction wherever it appears. Edges, smears, heel and toe hooks; any of these may be needed to ensure a successful ascent. With the Boreal Mutant, there is no compromise.

The Mutant features a highly asymmetric and downturned last to optimally position the foot on steep rock. The highly advanced sole unit comprises a super-sticky molded Zenith™ rubber forefoot half-sole and one-piece Zenith™ heel cup. These molded sections have an accurate 3D shape to hold the foot with no dead space, and maintain their shape over time. Thinner rubber is used in the middle of the sole to enhance flexibility, and ensure a close fit under the arch. The Lateral Torsion System, a band running around the heel and under the foot, securely holds the foot in place aiding power transmission across the shoe.

The premium quality unlined leather upper features our new “Friction Skin” coating for ultimate toe-hooking ability without the pain of a rubber toe covering and the simple elastic and single strap closure system ensures a comfortable, low profile fit. The Mutant is the ideal choice for boulderers, competition climbers and sport climbers operating at higher grades or on steeper rock.

Retail price

US$ 150.00

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Weight 480 g

Size 6 (UK) single : 230 g / 8.1 oz
Size 6 (UK) pair : 460 g / 16.2 oz
(we converted grams to ounces)

Closure Type Slipper Velcro
Gender Unisex
Volume Wide
Sizing Information UK sizes 4-12, including half sizes.
­ Image icon Boreal_Shoe_Size_Chart_11.JPG
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Best Use (Highest Performance) Sport / Face
Asymmetry Aggressive
Last Details Shape: Downturned (performance)
Construction: Slip Lasted
Upper Material ­Split Leather
Midsole Material ­Special anti-deformation midsole
Sole Material 4.5 mm (thickness depending on size) ZENITH
Rand: Lateral Torsion System
Footbed Lining


Zenith Technology


The stickiest rubber on the market so far, finding the perfect mix of edging, durability, and the remarkable ability to maintain its performance at different temperatures.
2016 Climbing Shoes - A Collection

This video showcases 19 of the climbing shoes coming to the U.S. in 2016 from Boreal, Butora, Climb X, Evolv, Five Ten, La Sportiva, Red Chili, Scarpa, and Tenaya.

Mutant Shoe
Mutant Shoe
Details of Mutant Shoe
Mutant Shoe
Mutant Shoe

This video talks about Mutant at 2:10

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Blister Gear Review no rating given just a review

The Boreal Mutant is a soft, sensitive, face-climbing shoe that blends the edging power of the Five Ten Hiangle with the greater versatility and precision of the Sportiva Miura Lace. It is slightly higher-volume than both of those options, so the Mutant performs well while maintaining an extremely comfortable fit. The Mutant isn’t the most aggressive shoe on the market in terms of either downturn or asymmetry, and the lack of reinforcement under the toe box shows a clear emphasis on sensitivity over supreme edging power. So if you are looking for a shoe for steep limestone or endless granite credit-card edges, you’ll find options that cater more directly to those specialties. But anyone looking for a shoe that performs across a diverse set of climbing styles will be very, very well served by the Mutant.