Boreal Siula Expedition Boots
480 , added Sep/2012, see all Boreal news & reviews
announcement by Boreal
This announcement has been read 3,577 times
New triple layer expedition boots consisting of a removable inner bootie, mid/shell boot and an integrated gaiter. The hybrid Lace/Velcro closure is easy to use, even wearing gloves. Generously insulated with Triple Thinsulate, EVA foam and neoprene layers for class leading warmth. Fully compatible with C3 crampons. These are ideal for most 6000-7000m peaks and multi-day winter alpinism.

Available now in sizes 4.5 - 11.5UK RRP £480 and an XL version up to size 13UK RRP £500

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+Boreal Siula, 103 kb
Boreal Siula
© Boreal, Sep 2012
+Boreal Siula with inner boot, 90 kb
Boreal Siula with inner boot
© Boreal, Sep 2012

+Simon Elias. Arista Somital (Winter ascent)  the North Face of la Forcanada , France., 107 kb
Simon Elias. Arista Somital (Winter ascent) the North Face of la Forcanada , France.
© Boreal, Sep 2012


  • Sizes: UK 5.5 - 13 in half sizes
  • Weight: 2540g / pair size UK 7
  • Uppers: Lightweight double boot consisting of an outer boot and a removable inner boot
  • Midsole:Boreal PBG-680 with lateral reinforcements for superior torsion control. Special three layer insulation system consisting of Radoma, triple layer Thinsulate and Neoprene layers.
  • Sole: Vibram Teton. Rubber sole with dual density, shock absorbing EVA and PU. TPU heel and toe piece for automatic crampons.
  • Usage: Intense to extremely cold conditions. High mountain and altitude climbing. Long winter alpine ascents.

Outer Boot: Integral gaiter constructed from 2 materials: inner portion of gaiter in extra abrasion resistant material with waterproof membrane. Outer portion of gaiter in abrasion resistant and highly breathable material with Sympatex membrane. Shell: Waterproof and reinforced one piece Teramida, with Lorica and Neoprene. Highly abrasion resistant Cordura liner with Sympatex membrane and 6 mm EVA insulation. 1.4 mm Neoprene insulating insole, with anti-slip heel lugs for precise inner boot location.

Inner Boot: Removable inner bootie is slip lasted for improved fit. Exterior of bootie made from Lorica and highly abrasion resistant waterproof Cordura- Sympatex laminate. Interior lined with waterproof breathable Boreal Dry-Line with fully Thermo-sealed seams. Triple Thinsulate layers (no adhesives used) surround the foot, guaranteeing maximum protection with no cold spots. 1.4 mm Neoprene insole for insulation with anti-slip heel lugs for precise inner boot location. 4 piece Neoprene Velcro-elastic closure and special Velcro-elastic heel fit adjustment.

+Christian Ravier. Via Ravier a la Forcanada (TD+) Vall D´Aran Pyrenees, Spain., 148 kb
Christian Ravier. Via Ravier a la Forcanada (TD+) Vall D´Aran Pyrenees, Spain.
© Boreal, Sep 2012

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logo£440.00. Free UK Delivery!
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For more information visit Boreal
Gear Forum ( Read More... | 1 comments, 19 Sep 2012 )
This announcement has been read 3,577 times
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