The North Face Men's Thermoball Full Zip Jacket 100% nylon ripstop with durable water-repellent (DWR) finish Imported Zipper closure Machine Wash Water-resistant, insulated jacket packs into its own hand pocket. Standard Fit. 15D nylon ripstop. Lightweight, durable VISLON center front zip. Covered, secure-zip hand pockets. Internal chest pocket. Internal, elastic-bound cuffs. Hem cinch-cord. Media compatible. Developed in partnership with Primaloft, Inc., ThermoBall is a revolution in insulation technology. Unlike traditional continuous-filament synthetic insulation, the small, round PrimaLoft synthetic-fiber clusters closely mimic down clusters, trapping heat within small air pockets to retain warmth. Independent clo testing by Kansas State University has shown that ThermoBall has warmth equivalent to 600 fill goose down. As a result, ThermoBall can offer the lightweight warmth and compressibility o The North Face products are fully warranted against defects in materials and workmanship with a LIFETIME GUARANTEE. Exclusions apply. The North Face'sfundamental mission remains unchanged since 1966:Provide the best gear for our athletes and the modern day explorer, support the preservation of the outdoors, and inspire a global movement of exploration. The North Face delivers an extensive line of performance apparel, equipment, and footwear. We push the boundaries of innovation so that you can push the boundaries of exploration. We remain deeply proud to be the first choice of the world's most accomplished climbers, mountaineers, extreme skiers, snowboarders, endurance runners, and explorers.