Product OverviewExtremely warm, high-loft directional knit Polartec® Thermal Pro® provides maximum warmth-to-weight ratio, wicks moisture and dries fast Stretchy Polartec® Power Dry® on side panels and underarms for improved fit, shape retention and abrasion resistance A re-engineered pattern offers a refined technical fit, reduced underarm lift, and offset seams for comfort under outerwear and packs Center-front zipper has Sonic/Stitch seam construction to reduce bulk and improve suppleness; with a soft, kissing-welt zipper garage at chin for next-to-skin comfort Two high-hand pockets have Slim Zip installs, clean finished zipper garages, and are harness- and pack-compatible; two internal drop-in mesh pockets 394 g (13.9 oz) Made in Colombia.SKU: PAT-25707Please note, we can not ship Patagonia outside of the United States.Fabric & CareFabric:Body: 7.4-oz Polartec® Thermal Pro® 98% Polyester (70% Recycled), and 2% Spandex. Side panels: 5.9-oz Polartec Power Dry® 94% Polyester (54% Recycled), and 6% Spandex.Material: We recycle used soda bottles, unusable second quality fabrics and worn out garments into polyester fibers to produce many of our clothes. Technology: Regulator Insulation provides phenomenal compressibility, light weight warmth and moisture transport, whether used alone or as part of a layering system.