Designed for function, detailed for comfort, and built to handle high-exertion outdoor situations with ease; 4-way stretch, highly breathable, and weather-resistant fabric; Form-flex waist for unmatched comfort and fit; Fully articulated leg/knee provides mobility enhancing support; Ergonomically angled YKK zippered gear pockets hold essentials in place and allow for quick and easy access from any position; Vent zips on rear of legs