The and its variations (like the Full-Zip Hoody Go to product viewer dialog for this item.
) are high-performance technical fleeces designed for high-exertion activities in cold weather. Featuring a unique zigzag weave made of 100% recycled polyester hollow-core yarns, the fabric is engineered to trap heat while remaining exceptionally breathable and quick-drying. R1® Air Fleece: Technical Fleece by Patagonia ar1.zip