The tights have a soft and warming fabric on the inside that protects against the cold, but also breathable and with full movability. They are developed with an extra high waist especially for skiing purposes. The tights have no zips so there are no conflicts with shoes or drinking belts, but they have a small key pocket on the inside of the waist for essentials such as keys. 
The tights ensure great movement and fits most people. It also has a tight fit, which means it sits close to the body.