Men's Jasper III Black/BlackBeauty

Regular: $279.99

Sale: $279.99
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SIZE GUIDE

SIZE GUIDE: All KEEN footwear sizes are listed in US sizing.

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

Men's Sizes

US	UK	EU	CM (JP)	CM LENGTH
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
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
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
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
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 1031890-001-10

Details
Features & Materials
Specifications

A long-selling, fan-favorite model upgraded with design elements inspired by modern climbing shoes. A next-generation outdoor sneaker engineered to deliver a sense of speed in both urban environments and outdoor fields.

Features:
• Original Fit has generous space across the forefoot for toes to splay
• Contoured arch for midfoot support
• KEEN’s signature bungee lace system for easy on-and-off and a secure, comfortable fit
• Synthetic mudguard at the toe for improved water resistance, durability, and protection
• Rubber overlays reinforce high-wear areas for added durability
• Includes additional shoelaces for customization

Materials:
• Non-marking engineered rubber outsole
• Breathable, quick-drying mesh lining to maintain a dry and comfortable interior

Specifications

Weight Per Shoe

358 g

Where Time Meets Sensation

CITY COUNTRY CITY, a creative label inspired by the intersection of past, present, and future, as well as culture, objects, places, and sound.

Designed as a next-generation hybrid outdoor sneaker, JASPER III features a high- rebound cushioned midsole for enhanced comfort across both urban and outdoor environments. Inspired by a black-and-reflective color concept that transcends time, the design incorporates reflective detailing for improved visibility. The model is finished with a bungee lace system for quick and easy wear, delivering a refined balance of function, comfort, and contemporary style.