The Patagonia Mens Nano Puff Jacket is a lightweight and comfortable piece. Features a full zip close with storm flap, two zip close waist pockets and a zip close chest pocket which doubles as a stuffsack with a reinforced carabiner clip-in loop. Outer and lining is crafted from 100% recycled polyester ripstop Water resistant coating for protection against the weather The 60-g PrimaLoft® Gold Insulation maintains 98% of warmth, even when wet The funnel neck and drawcord hem add further protection and warmth