Kollen varmeoppgradering

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Kollen Norwegian Wool Shaft – Limited Edition

An extra layer of warmth for your Kollen boots

399,00 kr

Upgrade your Kollen boots for colder days. This shaft attaches easily and adds a new layer of insulation—lined with Norwegian wool for extra winter comfort.

Color: Fjord Blue

Earn 2394 Kastel points

Easy returns and exchanges

Secure payments

Free shipping over kr 1200,-

Fast 1-3 day delivery!

Pairs well with

Kollen Boot by Tiril Eckhoff

Kollen boots by Tiril Eckhoff

Product Description

Built for colder winters

The Kollen Norsk Ull Shaft is made for those who need more warmth. It attaches securely with Velcro at the cuff—just like the original Kollen shaft—but comes lined with naturally temperature-regulating Norwegian wool.

The outer layer is water-resistant polyester. Inside, the wool lining keeps you warm, even in wet conditions. A zipper lets you take it on and off in seconds.

It’s a simple winter upgrade. For those who stay out longer, walk further—or just really feel the cold.

Innovations

Nature Lab is our initiative to research, test and develop shoes in a more sustainable way. This shoe uses the following innovations:

Name:Nature Lab
Goal:Sustainable innovation

#1 – Modularity

At Kastel, we believe one shoe can do more. By designing modular components—like the removable shaft on Kollen—we make shoes that adapt to your needs. Add warmth and coverage when needed. Remove it when you don’t. This is just the beginning of how we’re rethinking footwear to extend use, reduce waste, and keep you comfortable through it all.

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