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Welcome

Lighter. Faster. Farther.

You need a shoe that can match your momentum. Lightweight, responsive, extremely stable, and aggressively luggy, Zionic NXT is check, check, and check.

A black Keen mid-cut hiking boot with gray reflective accents and a rugged sole, shown from a three-quarters angle on a white background.

A pair of black K-Spec outdoor hiking boots with gray accents and laces, shown from a three-quarters angle on a white background.

A pair of black and shoes shown from a top-down view on a solid white background.

A black mid-top athletic shoe shown from a rear three-quarter view against a plain white background.

Men's ZIONIC NXT Waterproof Black/Black

Regular: $369.99

Sale: $369.99
Regular

Sold Out

Unit Price: per

Only 2 left!

Size Guide

Men
Women
Big Kids'
Little Kids'/Toddlers'
All Gender

Men's Sizes

US	UK	EU	CM (JP)	CM LENGTH (Heel to toe)
7	6	39.5	25	24.4
7.5	6.5	40	25.5	24.8
8	7	40.5	26	25.4
8.5	7.5	41	26.5	25.7
9	8	42	27	26
9.5	8.5	42.5	27.5	26.7
10	9	43	28	27
10.5	9.5	44	28.5	27.3
11	10	44.5	29	27.9
11.5	10.5	45	29.5	28.3
12	11	46	30	28.6
13	12	47	31	29.4
14	13	47.5	32	30.2
15	14	48	33	31
16	15	48.5	34	31.8
17	16	49	35	32.6

Women's Sizes

US	UK	EU	CM (JP)	CM LENGTH (Heel to toe)
5	2.5	35	22	21.6
5.5	3	35.5	22.5	22.2
6	3.5	36	23	22.5
6.5	4	37	23.5	23
7	4.5	37.5	24	23.5
7.5	5	38	24.5	23.8
8	5.5	38.5	25	24.1
8.5	6	39	25.5	24.6
9	6.5	39.5	26	25.1
9.5	7	40	26.5	25.4
10	7.5	40.5	27	25.9
10.5	8	41	27.5	26.2
11	8.5	42	28	26.7
12	9	43	28	27.6

Big Kids' Sizes (7-12 years)

US	UK	EU	CM (JP)	CM LENGTH (Heel to toe)
1	13	32/33	20	19.7
2	1	34	21	20.6
3	2	35	22	21.6
4	3	36	22.5	22.2
5	4	37	23.5	23.2
6	5	38	24.5	24.1
7	6	39	25.5	24.8

Little Kids' Sizes (4-7 years)

US	UK	EU	CM (JP)	CM LENGTH (Heel to toe)
8	7	24	15	14.6
9	8	25/26	16	15.6
10	9	27/28	17	16.5
11	10	29	18	17.1
12	11	30	18.5	18.1
13	12	31	19.5	19.1

Toddlers'

US	UK	EU	CM (JP)	CM LENGTH (Heel to toe)
4	3	19	11.5	11.4
5	4	20/21	12.5	12.1
6	5	22	13.5	13
7	6	23	14.5	14

All Gender Sizes

All Gender	US Men's	US Women's	UK	EU
3.5	3.5	5	2.5	35.5
4	4	5.5	3	36
4.5	4.5	6	3.5	36.5
5	5	6.5	4	37
5.5	5.5	7	4.5	38
6	6	7.5	5	38.5
6.5	6.5	8	5.5	39
7	7	8.5	6	39.5
7.5	7.5	9	6.5	40
8	8	9.5	7	40.5
8.5	8.5	10	7.5	41
9	9	10.5	8	42
9.5	9.5	11	8.5	42.5
10	10	11.5	9	43
10.5	10.5	12	9.5	44
11	11	12.5	10	44.5
11.5	11.5	13	10.5	45
12	12	13.5	11	46
13	13	14.5	12	47
14	14	15.5	13	47.5
15	15	16.5	14	48
16	16	17.5	15	48.5
17	17	18.5	16	49

Product Care

Sandals

All KEEN water sandals are machine washable. Use a small amount of detergent, wash on gentle cycle and air dry.

Leather

We've carefully selected leather uppers designed to last. Then again, if you're wearing your KEENs daily, they won't always be scuff and dirt-free.To treat day to day wear and tear, especially on lighter color leathers, we recommend using a leather cleaner and conditioner, found at most footwear dealers and/or shoe repair shops.

Non-Leather Hiking

Gently brush the shoe with a soft bristle brush or hand towel to remove loose dirt and debris. Stains can be treated by lightly rubbing a gum eraser in a circular motion over the location and lightly brushing afterwards. Tough stains can be treated with a mixture of water and a little vinegar on a damp cloth. This process may cause slight discoloration to the area.

Canvas

We recommend you clean these products using mild soap and cold water. To remove excess dirt or spot clean, use a stiff brush or soft cloth. Let shoes air dry away from heat.

SKU 1031256-001-8.5

Details
Features & Materials
Specifications

Next-level Zionic agility is here. Same fast and light fit and feel you love for the trail, updated with longer-lasting, high-rebound cushioning that stays springy.

Features:
• Contoured Fit follows the contours of your foot for a comfortably snug fit
• Speed hooks for easy lace adjustment
• High-rebound foam cushioning enhances comfort and movement
• Removable, resilient foam insole for long-lasting cushioning
• KEEN.ALL-TERRAIN rubber outsole for higher-traction grip
• 4mm multi-directional lugs for traction
• Full-length, lightweight plate in the midsole for added stability
• KEEN.DRY waterproof, breathable membrane seals out moisture from the inside
• Contains recycled P.E.T. plastic to reduce the use of virgin materials
• Eco Anti-Odour for natural, pesticide-free odour control

Materials:
• Performance mesh upper with overlays for added durability
• Quick-dry lining for active use
• Non-marking multi-directional lugs for increased traction

Specifications

• Shaft Height: 100mm
• Heel Height: 34mm
• Heel-To-Toe Drop: 12mm

Weight Per Shoe

380 g

Features

Nimble Traction

The aggressive, studded lug pattern is designed for better ground contact, so you can hike faster with confidence.

Long-Lasting Agility

Compression-resistant cushioning stays resilient and bouncy mile after mile.

Light & Responsive

A lightweight, high-energy foam midsole and full-length stability plate work together to create a springboard effect underfoot.

Overall rating: 4.0 / 5 from 1 reviews.

AI Generated Review Summary

Summary topics

Review topics: [].

Review highlights

Reviews

Decent - run small and

"Decent - run small and are reasonably narrow"

— Emma S. (4/5)

Q&A

EVERY KEEN shoe is made without PFAS "forever chemicals" for the health of people and the planet.

TOP

Welcome

Lighter. Faster. Farther.

Men's ZIONIC NXT Waterproof Black/Black

Size Guide

Men's Sizes

Women's Sizes

Big Kids' Sizes (7-12 years)

Little Kids' Sizes (4-7 years)

Toddlers'

All Gender Sizes

Product Care

Sandals

Leather

Non-Leather Hiking

Canvas

Features

AI Generated Review Summary

Summary topics

Review highlights

Reviews

Decent - run small and

Q&A

EVERY KEEN shoe is made without PFAS "forever chemicals" for the health of people and the planet.

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Men's ZIONIC NXT Waterproof Black/Black