Deep-pile Polartec® Thermal Pro® 100% polyester fleece (51% recycled) has extra-long fibers to retain warmth Stand-up collar has doubled fleece for warmth Front placket hides a four-snap closure and is reinforced with nylon Yoke and princess seams add contouring and shape Classic Patagonia chest pocket flap with stay-put envelope construction Kangaroo handwarmer pockets Hip length Material Collapse Body: 9.3-oz Polartec® Thermal Pro® 100% polyester (51% recycled) fleece. Placket and pocket: 3.4-oz 100% nylon plain weave. Fabric is certified as bluesign® approved. Fair Trade Certified™ sewn