Extremus silicone frame The silicone frame is highly flexible and resilient and makes fitting on many different styles and sizes of boots for both men and women easy. The silicone will stay flexible down to -40 degrees and stretches easily for an easy fit over any boot.
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Extremus Individual spiked cleats The 23 individual spiked cleats are perfectly positioned to provide safety and comfort even when wearing them for long periods of time. They are positioned on the heal and fore foot to give you the ultimate in traction and safety on slippery surfaces like ice and snow.
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Durable and strong tensioning straps Two durable and strong tensioning straps that keep the silicone frame and cleats in the perfect position even when walking fast and climbing steep slopes.
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