Shell: 4.4-oz 100% recycled nylon with a PU coating and a DWR (durable water repellent) finish. Lining: 7.5-oz 100% recycled polyester fleece. Trim: 5.4-oz 100% nylon 1x1 rib knit. Shell and lining fabrics are certified as bluesign approved. Fair Trade C W's Shelled Synch Jacket - Tinamou Tan