OMNI-TECH: Our Omni-Tech technology features air-permeable protection that’s waterproof and breathable. It provides excellent waterproof protection, keeping mother nature's elements out, at the same time allowing the inside to breathe. COMFORT: With our nylon and elastane comfort-stretch fabric, these pants remain comfortable during activity. TRUE TO SIZE: These pants are available in multiple sizes that fit true to size to accommodate to every man's needs and body type. ADVANCED TECHNOLOGY: This Columbia Men's Rebel Roamer Pant features our signature seam-sealed waterproof construction with breathability to keep you comfortable while protecting you from the elements.