The Held Clip In Thermal Womens Pants are packed with features... Specifications include: Stretch soft shell panels at crotch, calves and hollow of the knee 3M THINSULATE lining Held Clip-in Technology Adjustable hook & loop waist Water- & wind-repellent, breathable, elastic Softshell fabric Material composition Outer material 44% Polyester, 43% Polyamid, 13% Elasthan Padding 69% Polyamid, 31% Polyester Inner lining 100% Polyester