These black cargo pants are made of surprisingly warm corduroy material. I tried them on in the store and only tried them on again at home after removing the tags. ●Product Features● Light-absorbing, heat-generating fleece ・By utilizing special technology to knead light-absorbing, heat-generating powder into the fibers, it absorbs infrared rays from the surroundings and generates heat. You'll want to wear them every day! ・Stretchy fabric makes them easy to move in, and bending and stretching your knees is a breeze. ・Comes with a carabiner loop, convenient for hanging small items. ・Easy-to-access smartphone pocket. ・These are a must-have pair that combines warmth, ease of movement, and comfort. ・ AERO SPARK anti-static processing. Marked size: L 82cm Inseam: 79cm - Color: Black - Design: With zipper pockets - Material: Corduroy Thank you for looking.