Official Army Issue MultiCam, Gore-Tex, GEN III L6 Trousers, Extreme Cold / Wet Weather, Size MR Gore-Tex This is the original item that is being issued by the US military. Extreme Cold/Wet Weather Trousers The GEN III ECWCS Extreme Cold/Wet Weather Jacket and Trousers are designed for use in cold, wet conditions as a hard shell layer combined with other base and insulative layers. Constructed with two-layer GORE-TEX fabric, the Level VI Extreme Cold/Wet Weather Jacket and Trousers provide a lightweight, completely waterproof, windproof and breathable level of protection against the elements. Featuring two-layer GORE-TEX fabric, developed based on the technology of GOR-TEX Paclite Shells and sealed seams throughout, this level provides protection against cold, wet conditions with 50% less bulk than previous generation ECWCS GORE-TEX garments.