The Timberline Pant is a highly technical 4-way stretch polyester spandex pant with double reinforced waterproof/breathable nylon ripstop knees and seat with articulated knee pads that are removable.FeaturesArticulated PatterningNew Softer & Lighter Removable Knee PadWaterproof/Breathable Seat and KneesSide Cargo PocketsPrecise Sculpted FitDurable Water Repellent FinishThermo-molded Knee Pads4-Way High Count Stretch Polyester WeaveNylon Ripstop Knees & Seat