Going high? Headed into extremely cold regions? Go with the G1 EXPEDITION which provides the best warmth, breathability and natural feel and fit that only leather can provide.The G1 EXPE outer boot has a built-in Cordura & Sympatex gaiter and is hand crafted from 2.8 mm split leather is backed by another waterproof-breathable Sympatex membrane, 6 milimeters of micro-porous EVA foam insulation and a cordura lining... all to keep your feet perfectly dry and warm. Underfoot, twin layers of 2mm Neoprene (perforated for breathability and shock absorption) plus an additional 10 mm of EVA foam insulation further resists cold penetration.
Connecting you to the earth or any crampon is Boreal's MOUNT FDS-3 outsole with triple density co-molded rubber for the right combination of traction, shock absorption, durability and insulation.
The G1's inner boot is slip lasted (just like rock shoes) for a good fit and is made with various features: a waterproof split leather collar and tongue, a padded Achilles with adjustable velcro-elastic strap (for heel retention) plus a unique raised heel that keys into a corresponding cavity in the floor of the outer boot. The bootie has a durable Cordura outer, another layer of Sympatex (redundant protection), Thinsulate for warmth and an efficient wicking Dry Line inner surface.
The G1EXPEDITION excels at all high mountain routes and expedition style climbing. Wear yours for extremely cold conditions - Everest, Alaska, Antartica, Aconcagua, Ama Dablam and all Gasherbrum and Karakoram climbs. Shipped worldwide.
Sizing Tip: If a US 10.5 fits well in a hiking boot, then order a UK 10 for a similar fit.