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90 / 100 based on 1 expert reviews

  • 90 / 100 | Down Wind Sports

    It is very light and warm.

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Updates to The North Face Verto S6K Extreme

  • The North Face equipped the Verto S6K Extreme with technologies ready for alpine assaults. Its upper is made of ballistic nylon with a Smartlite PU mudguard that wraps the base of the boot for added durability. Its inner boot wears Primaloft insulation and Aerotherm technology to keep a comfortable environment even at very low temperatures.
  • Underfoot, it has an EVA midsole for cushioning and a carbon fiber lasting board for support. A Vibram rubber outsole renders surface traction.

The North Face Verto S6K Extreme size and fit

A men’s-only high-cut mountaineering boot, the Verto S6K Extreme generally runs true to size. It comes in standard width and regular sizes. The inner boot’s lace-up closure permits customization of fit.


The Verto S6K Extreme from The North Face features the Vibram Mulaz outsole. It has aggressive lugs which grip on most types of terrain. Its self-cleaning ability enables it to maintain traction on varying ground conditions. A climbing zone at the toe assists hikers during ascents.


This mountaineering boot wears a microporous ethylene-vinyl acetate (EVA) midsole. It offers a cushioned ride without the bulk. For additional support, the brand’s designers incorporated a carbon fiber lasting board underfoot.

The TPU Cradle at the heel helps stabilize the user’s stride. Also, a crampon spoiler is placed at the toe area and back of the boot.


The upper of the Verto S6K Extreme wears ballistic nylon with Smartlite PU mudguard. This combination makes the boot durable and protected against abrasion. Enhancing its defense against scuffs is a SuperFabric material placed on the medial quarter.

This gear uses HydroSeal, a hydrophobic lamination which protects the foot from wet encounters. It has an integrated gaiter which employs a zip-up closure. The rubber rim at the top prevents intrusion of loose trail debris.

To keep a warm and comfy environment, the inner boot sports a 200 g Primaloft insulation. The Aerotherm technology, on the other hand, features Aerogels placed at the toe, heel and under the foot to amplify warmth. Additionally

Additional Info

  • The North Face Verto S6K Extreme is compatible with strap-on crampons.