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Boreal Siula Trekking Boot

18%
Boreal
£ 393.57 Reg. £ 479.96 You Save £ 86.39 incl. VAT, free delivery
In stock, delivery time 3-5 days
Item No.: 3002270-015
Choose size
Sizes and charts
UK6
UK6.5
UK7
UK7.5
UK8
UK8.5
UK9
UK9.5
UK10
UK10.5
UK11
UK11.5
UK12
UK12.5
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Product description Siula Trekking Boot
Recommended use:
  • mountaineering
  • expedition
Suitable for:
men, women
Construction:
  • D category
  • crampon automatic
  • Vibram®
Features:
removable inner shoe lining, waterproof, , integrated gaiters
Features:
Laced , velcro fastener, zip closure, leg-end with drawstring
Fit:
Weight:
2580
production:
Made in Europe
material:
  • Shoe material upper: polyester, polyamide, EVA
  • Shoe lining material: polyester, polyamide, eva, chloroprene rubber
  • Shoe sole material: rubber, polyurethane, carbon, EVA

The Boreal Siula is a waterproof, lightweight double boot consisting of an outer boot and a removable inner boot. The Boreal Siula is suitable for intense to extremely cold conditions, high mountain and altitude climbing and long winter alpine ascents. The outer boot has an integral gaiter constructed from two materials. The inner portion of gaiter in extra abrasion resistant material with waterproof membrane. The outer portion of gaiter in abrasion resistant and highly breathable material with Sympatex® membrane. The shell is waterproof and reinforced one piece. Highly abrasion resistant Cordura liner with membrane and a thick insulation.Both the inner and outer boot have an anti-slip heel lug to assure a precise inner boot location and secure hold on the outside. Finally, for superior torsion control, the midsole has added lateral reinforcements.


  • Construction consists of liner, shell and integrated gaiter
  • Waterproof
  • Thermally insulating
  • Highly abrasion resistant
  • Liner with Thermal Layer System of Dry Line®, Thinsulate, Sympatex®, Codrira®
  • Thermally welded seams of the liner
  • Non-slip sole made of neoprene
  • Contoured, padded tongue
  • Waterproof, insulated and robust shell of 2.8 mm leather without seams
  • Multilayer shell lining with Cordura®, Sympatex®, EVA, PES foam
  • Reinforced instep zone
  • Insulating and stabilizing XTP insole PBG-680
  • Stable, crampon-compatible sole construction
  • Grippy Virbram® Teton outsole
  • Crampon compatible: automatic; TPU heel and toe piece 

Last: Unisex | Category: D | Weight: 2,540 g (pair, UK 7) | Upper: polyester, polyamide, polyethylene, EVA | Lining: polyester, polyamide, EVA, chloroprene rubber | Sole: polyurethane, EVA, rubber

More Expedition boots from Boreal
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Product features
Made in Europe

Production in Europe ensures the fulfillment of European standards in regard to environmental and sustainability issues as well as labour conditions

Shop: all „made in Europe“ outdoor products
Vibram®

Vibram rubber outsoles have provided traction for over 75 years. The Italian company has long been the go-to outsole choice for running, trekking, climbing and leisure shoes.

Shop: all shoes with Vibram® sole
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