Olympia Unisex-Adult Horizon Rain Pant (Neon Yellow, XXX-Large/4X-Large) Outer shell constructed in sturdy lightweight, waterproof, breathable rip stop nylon. EZ-Pack storage system: Pants can be stowed away in a self-contained storage pocket located in the interior of the Pants. Intake Velcro closure panels at lower legs offer easy boot on entry and adjustment of leg width. Slide waist buckles, plus stretch waist details offer maximum adjustability. Authentic Nomex heat shields located at inside lower legs. Cool mesh airflow lining.