Aku Coldai NBK Goretex Hiking Boots

Comfortable and versatile, light and breathable, for easy excursions even in winter. Produced in Europe in AKU-owned factories with leathers from Italian tanneries. The lasting board and sole unit features the exclusive AKU Elica Natural Stride System technology to enhance the bio-dynamic performance. The Vibram® Selvatica Megagrip outsole is a guarantee of performance and durability.


Specifications:

- Upper: Nubuck 1.6 Mm
- Upper Protection: Rubber
- Lining Description: Gore-Tex® Performance Comfort
- Outsole: Vibram® Selvatica Megagrip
- Midsole: Injected Eva
- Lasting Board (Stifness): 1.5mm Nylon + Die Cut Eva (Extra Flexible)
- Footbed: Custom Fit X-Soft
- Weight (Gr. ½ Pair): 525


Technology:

GORE-TEX®:
- The Gore-Tex® membrane is an exclusive heat-sealed technical fabric which contains about 1.4 billion microscopic pores per square centimeter. These pores are approximately 20,000 times smaller than a drop of water but 700 times bigger than a molecule of moisture vapor. So, whilst water droplets cannot penetrate the GORE -TEX membrane, moisture vapor, namely perspiration in gas form, can easily escape.

- GORE-TEX® has developed 3 specific types of membrane for the footwear sector, each with specific functional properties.

Vibram:
- Vibram is synonymous with the sole for mountain footwear, an essential component for the safety and technical performance of the product. Vibram’s experience is condensed in the research and development of specific compounds for use on different terrains and environmental conditions; AKU’s contribution is based on the design of the tread profile, conceived and designed according to the intended use of the product. From this synergy are born soles that AKU adopts on many of its models, generating its own exclusive standard of performance.

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