This is a 140-size Hummel piste pants for winter. The inside is fleece-lined, and I think it's thick and warm. How about it for physical education or sports in the winter? There is a slight sheen on both knees, but I think you can still wear it. I apologize if I missed anything. Navy hummel piste pants, featuring a reflective material design. - Brand: hummel - Color: Navy - Design: Reflective material accents on the sides - Waist: Elastic waist Thank you for viewing. #Hummel #ColdWeatherPants #WinterWear #FleeceLined #Sports #Soccer #ElasticPants #140