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Men's hiking boots KEEN Jasper II WP are the perfect choice for challenging trails. The leather upper provides durability, and the waterproof KEEN.DRY membrane protects your feet in all conditions. The KEEN.ALL-TERRAIN sole and PU Luftcell insole ensure comfort and stability with every step.

Basic data

Brand KEEN
Country of origin of the brand USA
Sport Tourism, Sportstyle
Gender Male
Season Year-round
Leading colour Black
Model/product code Jasper II 1023868
Purpose Hiking, Sportstyle
Code 2000039901

Product details

Upper material Leather
Height of the upper Low
Reinforcements Partial lagging
Fastening type Laces
Technologies ECO ODOR CONTROL, KEEN.DRY

Outsole

Outsole KEEN.ALL-TERRAIN
Midsole EVA
Compatibility with crampons No
Inset PU Luftcell

Protection

Waterproof Yes
Insulation No

Warnings and producer's data

Producer KEEN B.V. | Vasteland 100 3011 BP Rotterdam The Netherlands | info@keenfootwear.com

KEEN Jasper II men's trekking boots black 1023868 (1023868)

Men's approach shoes Keen Jasper II with a suede upper with a waterproof KEEN.DRY membrane. They will work well both on rocky trails and in everyday city hikes.   

The outsole KEEN.ALL-TERRAIN does not leave marks on surfaces, and the insole together with the midsole made of EVA foam provides comfort, cushioning every step. This model is breathable, and the lacing that reaches all the way to the toes allows for precise fitting of the shoe to the foot.      

ECO ODOR CONTROL
A technology that relies on natural probiotics to provide a coating that blocks the growth of microbes responsible for creating unpleasant odours.
KEEN.DRY
A highly comfortable waterproof membrane used in KEEN shoes. It is highly breathable and wicks moisture away from the outside of the shoe, keeping the foot dry whatever the weather.
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40.5 (8 US)
42 (9 US)
43 (10 US)
44.5 (11 US)
45.5 (12 US)
47 (13 US)
48 (14 US)
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  • 39 (7 US) €47.99 €39.99
  • 40.5 (8 US) €47.99 €39.99
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M
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  • M €229.99 €69.99
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KEEN Jasper II men's trekking boots black 1023868

KEEN Jasper II men's trekking boots black 1023868

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Size Sizes table
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Sizes table

    Below you will find information that will help you choose the right size when buying men's KEEN shoes. All you will need is a tailor's tape measure.

    EU size 39,5 40 40,5 41 42 42,5 43 44 44,5 45 46 47 47,5 48 48,5 49
    AB Insole length (cm) 25 25,5 26 26,5 27 27,5 28 28,5 29 29,5 30 31 32 33 34 35
    AB Foot length (cm) 24,4 24,8 25,4 25,7 26 26,7 27 27,3 27,9 28,3 28,6 29,4 30,2 31 31,8 32,6

    How to measure insole length - instructions in 3 steps

    1. Remove the insole from a shoe that fits well on your foot and place it on a flat, hard surface.

    2. Mark the tip of the insole (the furthest point near the toe) and the back of the heel.

    3. Measure the distance between the marked points with a ruler or tape measure - this is the length of the insole, which should be compared with the size chart.

    How to measure the length of your foot - instructions in 4 steps

    1. Prepare a sheet of paper and set it on a hard, non-slippery surface - it is best to tape it to the floor.

    2 Stand barefoot on a piece of paper - distribute your body weight evenly and set your foot straight.

    3. Mark the tip of the big toe and the back of the heel - preferably holding the pencil vertically.

    4. Take off the foot and measure the distance between the marks - this is the length of the foot. Repeat for the other foot and choose a larger measurement, matching it to the size chart.

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