From Marmot, these pants feature: Adjustable, integrated waist belt lets you dial in the right fit for any layering system Full-length, water-resistant zippers allow for easy on and off over crampons and boots CORDURA® scuff guards below the knees offer durability and abrasion resistance for rough terrain 3L GORE-TEX® C-KNIT™ fabric is durably waterproof, windproof, and breathable 100% seam-taped for complete, leakproof protection C0 Durable Water Repellent (DWR) treatment repels water from face fabric Zoned fabric adds durability and breathability where you need it most Pre-Consumer Recycled Nylon, Plain weave Machine wash/tumble dry low Imported.