AKU Spider Kevlar GTX
Materials: Kevlar, Gore-tex, Carbon Fiber Shank
Use: Mountaineering, Technical climbing
Break-in Period: two climbs
Weight: Dont know exact. Lighter? mountaineering boots are in no way shape or form light
Going on year 2 of having these great boots. They broke in quite quickly and have continued to astound me. Very comfortable and warm not to mention it's no big deal kicking steps into steep hardpack for hours on end.
They do feel very light compared to my friend's La Sportiva's
I had my feet get very cold on one climb only to find that I had on too thick of socks. After getting some thinner socks my feet have stayed toasty warm with the coldest I have had them in is -9 degree's.
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Here's what other sites are saying:
Technically advanced ultra-lightweight mountaineering boot suitable for step-in crampons and rock and ice climbing. Ideal as an expedition boot for long approach treks with heavy loads. An instantly outstanding comfortable fit.
The lightweight AKU Men's Spider Kevlar GTX Boots excel at keeping your feet warm and dry in extreme conditions. The Italian-made, crampon-compatible Spiders have super durable uppers that take abuse from scree and ice. The Gore-Tex XCR liners let sweat vapors escape but don't let a drop of water into your boots. Insulation keeps feet toasty and frostbite-free. An asymmetrical tongue reduces the amount of material and seams pressing on your foot, which ensures good blood circulation and allows for excellent ankle articulation without any loss of support. Feet rest directly on the midsoles for optimal shock absorption and dynamic support.