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  • NEW
  • LIMITED

Men's Boulder

Color: Blackout

Size: -
- Shoes shown in US sizes only.
Width: Standard

Step into the men’s Boulder, and stand out in any environment, whether that’s taking comfortably to the outdoors or going on an urban adventure. Stunning views await.

Frequently bought together

No-Hassle Returns

All returns and exchanges are accepted for unworn shoes within 30 days of receipt for a full refund with free return shipping (US orders only). You're welcome!

Shoe Care

Knit: Use a soft cloth or toothbrush to spot-clean knit upper with dishwashing liquid and water. Rinse and air dry.


Leather: Spot-clean with soft cloth only.


Insoles: Removable and machine washable. Air dry. (Kizik Kids Prague, Athens, and Anaheim have permanent insoles.)

1

Step in. Get out there.

Hands-free Labs® technology: External Flex Arc™

As you step in, External Flex Arc™ compresses, then springs back for an effortless, highly satisfying “on” experience. It’s durable, dynamic, and delightful—every time you snap it on.

2

Elevate the view

Ballistic nylon and nubuck leather

Lightweight, durable, and versatile, these materials offer a look you’ll love to flaunt without sacrificing comfort or durability.

3

Comfortably go the distance.

Supportive midsole, Arch Form® insole.

Feel that bounce back. The Boulder’s midsole absorbs your every move, all while holding up. Its proprietary Arch Form® insole naturally cushions your foot, providing plenty of support.

4

Keep your footing.

Rugged lug sole

Step onto any winter landscape. The Boulder has a sturdy, full-rubber outsole. Deep grooves and staggered lugs give you multidirectional grip.

NEW

Size Guide

US - Men's 3.5 4 4.5 5 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10 10.5 11 11.5 12 12.5 13 13.5 14 14.5 15
US - Women's 5 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10 10.5 11 11.5 12 12.5 13 13.5 14 14.5 15 15.5 16 16.5
EU 36.5 37 37.5 38 38.5 39 39.5 40 40.5 41 41.5 42 42.5 43 43.5 44 44.5 45 45.5 46 46.5 47 47.5 48
UK Men 2.5 3 3.5 4 4.5 5 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10 10.5 11 11.5 12 12.5 13 13.5 14
UK Women 2.5 3 3.5 4 4.5 5 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10 10.5 11 11.5 12 12.5 13 13.5 14
CM 21.5 22 22.5 23 23.5 24 24.5 25 25.5 26 26.5 27 27.5 28 28.5 29 29.5 30 30.5 31 31.5 32 32.5 33

In the Wild

When you step in, things are always looking up.

@hayleycarling

Easiest to put on, hardest to stop talking about.

Customer Reviews
4.3 Based on 103 Reviews
5 ★
69% 
71
4 ★
12% 
12
3 ★
8% 
8
2 ★
4% 
4
1 ★
7% 
8
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RZ
03/27/2025
Robert Z.
United States
  • Based on customer reviews this shoe (Size): Runs SmallTrue to SizeRuns Large
  • Based on customer reviews this shoe (Fit): Runs NarrowRuns Wide

Treated shabbily but an ungrateful company... Buyer beware!!

Treated shabbily but an ungrateful company... Buyer beware!! I've been a faithful customer but I guess not a valued one. I've purchased over 20 pairs of shoes in the last 2 years and the last pair were boots. In less than 30 day the tie hook on the boot pulled off and the seams started to fray. They couldn't give me a replacement because they were out of stock so they gave me a warranty promo code for 169.00. First they said I had to use it in 6 months knowing the boots would not be available in 6 months. So I bought a pair of shoes for 139.00. Later I tried to purchase a pair of socks and they said the code was invalid because I used it already. When I asked what happened to the remaining 30.00 they said it was a one time use, even if they never mentioned it. Rude and unhelpful. This is what happens when a company starts out popular but blows it because they have no clue how to treat or keep their customers. I'll never buy another pair of shoes from them. If you want to be treated shabbily but an ungrateful company be my guest but I would stay away from Kizik shoes!! Date of experience: March 26, 2025

BM
03/04/2025
Brant M.
United States
  • Based on customer reviews this shoe (Size): Runs SmallTrue to SizeRuns Large
  • Based on customer reviews this shoe (Fit): Runs NarrowRuns Wide

My New Boulder

Great experience and really good to work with.

JB
03/04/2025
Jeffrey B.
United States
  • Based on customer reviews this shoe (Size): Runs SmallTrue to SizeRuns Large
  • Based on customer reviews this shoe (Fit): Runs NarrowRuns Wide

Blackout Boots

I really like my Kizik boots as they are comfortable and easy to put on and take off.

RH
02/25/2025
Rick H.
United States
  • Based on customer reviews this shoe (Size): Runs SmallTrue to SizeRuns Large
  • Based on customer reviews this shoe (Fit): Runs NarrowRuns Wide

Awesome boots. Very comfy and easy on and off.

TW
02/23/2025
Timothy W.
United States
  • Based on customer reviews this shoe (Size): Runs SmallTrue to SizeRuns Large
  • Based on customer reviews this shoe (Fit): Runs NarrowRuns Wide

Great Boots

These boots were exactly what I needed. I have two Bassett Hounds and we walk a mile several times a day. The most difficlut part of our walks was when they were waiting for me to get my boots on. Now, with the Men’s Boulder Boots from Kiosk our prep-time is shortened and everyone is happier.. Thanks Kiosk,.

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