Here's what other sites are saying:
The ultimate adventure-racing shoes for serious mountain athletes--designed to handle wet, rough or vertical terrain at high speeds. Uppers feature synthetic leather for support, plus ventilating mesh for reduced weight and enhanced breathability. RockShock midsoles feature dual-density molded EVA with gel in the forefoot and heel areas for excellent cushioning and shock absorption. Edging stabilization platforms add stability and support underfoot. Dri-Lex® nylon linings wick away moisture to help keep feet comfortable. FriXion climbing rubber outsoles deliver excellent traction on and off the trail.