The new Boreal SIULA with
an integral gaiter gives maximum protection
against high altitude elements.
The outer boot affords an Integral gaiter
constructed from 2 materials. The inner
gaiter has an extra abrasion resistant material
with a waterproof membrane. Outer gaiter
is made of abrasion resistant and highly
breathable Sympatex® membrane. The waterproof
shell is one piece reinforced 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.
The removable inner bootie is slip lasted
for a precise fit and is made from highly
abrasion resistant waterproof Lorica and
Cordura-Sympatex® laminate. The interior
is lined with waterproof breathable Boreal
Dry-Line with Thermo-sealed seams. Triple
Thinsulate® layers (no adhesives used)
surround the foot, guaranteeing maximum
protection from 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.
The midsole is created with Boreal PBG 680
with lateral reinforcements for superior
torsion control. Special three layer insulation
system consisting of Radoma, triple layer
Thinsulate® and Neoprene layers.
A Vibram Teton sole with dual density rubber
sole, shock absorbing EVA and PU for all
the cush you need. TPU heel and toe piece
accept automatic crampons.
Excels in long winter alpine ascents, high
altitude climbing and extremely cold conditions.
Sizing: If a US 10.5 fits well in a hiking
boot, then order a UK 10 for a similar fit.