M’s Microdini 1/2 Zip P/O – Tidepool Blue Body: 5.7-oz 100% recycled polyester velour lightweight fleece. Collar and pocket: 1.2-oz 100% recycled nylon ripstop with a PFC-free DWR finish (durable water repellent coating that does not contain perfluorinated chemicals). Fair Trade Certified™ sewn