Spika's Frontier Waterproof Trousers are designed to fit over your midlayer and provide protection from the elements. Integrated suspenders and a belt system ensure the perfect fit for everyone. The full-length two-way zipper has a dual function to improve fit and dissipate heat. With the ability to repel moisture while still allowing water vapor to pass through the membrane. Extremely waterproof and 100% windproof. Material: 100% Polyester.