The Prism Climbing Shoe by Five Ten. After five years of intense R and D, we introduce The Prism. In December of '06, the US Government awarded Five Ten a patent for faceted edge technology (FET) which gives climbers unprecedented outside edge performance. This comfy shoe features a non-stretch dual Perflex micro-fiber laced upper. The Prism has edges at optimum angles with more rubber-to-rock contact then ever possible, plus Stealth Onyxx outsoles.
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