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La Sportiva

La Sportiva Men’s Mutant Backcountry Trail Running Shoe

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  • The award-winning La Sportiva Mutant is packed with cushioning to keep your feet feeling good at the end of a full day on the trail. But don’t let its plush ride fool you; the Mutant’s ultralight design is all about high performance, making it a great option for ultra-marathons, trail running and thru hiking even the roughest trails and terrain. AirMesh uppers provide excellent breathability to help keep your feet cool and prevent blisters. Spyratongue design wraps around the top of your foot for comfort and stability while the adjustable Fusiongate lacing harness reduces friction and offers a more secure fit than traditional lace-up shoes. Deep lugs made of La Sportiva’s FriXion XF rubber give you incredible traction and a stable platform even on slick trails or wet rock.

    • Synthetic
    • Rubber sole
    • WELL CUSHIONED - The Mutant packs a whole lot of cushion in an aggressive yet ultralight package, making it durable mountain running shoe ideal for moderate to technical terrain
    • FIGHTS FRICTION - Integrated Fusiongate Lacing Harness with High Frequency reinforcements and Spyraltongue technology pair up to deliver a snug, stay-put fit that reduces friction and maintains comfort for high mileage trail running
    • LIGHTWEIGHT, BREATHABLE - AirMesh fabric keeps your feet cool on hot days, controls moisture and prevents blisters without adding unnecessary weight; 4-way stretch dynamic scree guard protects ultralight uppers from loose rock
    • STABILITY & CONTROL - Super grippy FriXion XF sole with Impact Brake System and V-Groove provides excellent traction and stability on slick trails and uneven ground, allowing you to stop on a dime
    • AWARD-WINNING - Designed for unbeatable performance on technical terrain, La Sportiva’s Mutant Trail Running Shoe has earned the Editors’ Choice award from Trail Runner and the Gear of the Year title from Outside Magazine
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Size Chart

Shoe Width Chart

Men's Shoe Widths
2A B D 2E 4E 6E
X-Narrow Narrow Standard Wide X-Wide XX-Wide
Women's Shoe Widths
4A 2A B D 2E 4E
X-Narrow Narrow Standard Wide X-Wide XX-Wide
Kids' Shoe Widths
N M W X-Wide
Narrow Standard Wide X-Wide

 

Shoe Size Chart

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. Please also keep in mind the manufacturers use different lasts to construct their shoes, and sizing may vary accordingly.

Women's Size Conversions

 

4 35 2 8.1875" 20.8
4.5 35 2.5 8.375" 21.3
5 35-36 3 8.5" 21.6
5.5 36 3.5 8.75" 22.2
6 36-37 4 8.875" 22.5
6.5 37 4.5 9.0625" 23
7 37-38 5 9.25" 23.5
7.5 38 5.5 9.375" 23.8
8 38-39 6 9.5" 24.1
8.5 39 6.5 9.6875" 24.6
9 39-40 7 9.875" 25.1
9.5 40 7.5 10" 25.4
10 40-41 8 10.1875" 25.9
10.5 41 8.5 10.3125" 26.2
11 41-42 9 10.5" 26.7
11.5 42 9.5 10.6875" 27.1
12 42-43 10 10.875" 27.6

 

Men's Size Conversions

 

6 39 5.5 9.25" 23.5
6.5 39 6 9.5" 24.1
7 40 6.5 9.625" 24.4
7.5 40-41 7 9.75" 24.8
8 41 7.5 9.9375" 25.4
8.5 41-42 8 10.125" 25.7
9 42 8.5 10.25" 26
9.5 42-43 9 10.4375" 26.7
10 43 9.5 10.5625" 27
10.5 43-44 10 10.75" 27.3
11 44 10.5 10.9375" 27.9
11.5 44-45 11 11.125" 28.3
12 45 11.5 11.25" 28.6
13 46 12.5 11.5625" 29.4
14 47 13.5 11.875" 30.2
15 48 14.5 12.1875" 31
16 49 15.5 12.5" 31.8