Carahrtt Rugged Flex® Straight Fit Tapered Leg Jean 102807 Clearance 4 channel hollow fibre insulation for high loft 4 channel hollow fibre insulation for high loft breathability in a broad range of temperatures o Vaporized Aluminum Membrane for energy reflection and heat regulation o PolyWool lining for moisture transfer and evaporation outside of fabric o Hydromax™ layering for improved moisture management o Diamond Net insulation for wind resistant protection with a lightweight feel o Waffle comb footbed designed to trap warm air and control odour Full blade changes need no extra tools Rugged Flex® garments must meet the Carhartt's defined standards for stretch not gear that holds you back