REI Polartec fleece jacket in a vibrant red features a full-zip front and a mock neck for versatile layering. Constructed with high-quality Polartec fabric, this piece provides exceptional warmth without the bulk. It includes two secure zippered hand pockets and an adjustable cinch hem to lock in heat. The "Zip-In" compatibility allows it to be used as an insulating liner for compatible shells, making it a functional choice for hiking, camping, or everyday outdoor wear.