Wear this fleece jacket/liner on cool and dry days, or zip it into the waterproof systems parka (LCP800) as a liner for increased warmth and weather protection. Made of high quality and 100% polyester non-pill water repellent micro fleece. Durable water repellent polyester fabric reinforcements in high stress areas. Comes in postal blue with custom USPS reflective trim front and back USPS insignia.