With the use of Symbios technology, the Omega GTX provides a durable leather outer, a cushiony ride, all while keeping you light on your feet. The Omega GTX is aligned with a Gore-Tex membrane to keep moisture out, while allowing your feet to breath. The midsole is comprised of a half length torsion plate for rigidity and a blended PU/EVA foam which provides a cushiony ride. For traction, the Omega GTX comes with the Impact Break System and an aggressive lug pattern to help keep you stable in almost any environment. Tough leather uppers withstand trail abuse. Lightweight flexible SYMBIOS midsole technology is soft underfoot and stable on the trail. Aggressive outsole bites into sketchy terrain for great traction. Ergonomically sculpted midsole cradles the foot for an excellent fit. Ideal Terrain: Technical terrain including both rock and dirt, and moisture rich environments. Last: ErgoTrekImpact Brake System (I.B.S.) A proprietary technology in outsole design where the lugs of the soles are oriented in opposing slanted directions. This opposition increases braking power by an average of 20% and decreases impact forces by and average of 20%.