Looking for a warm mid-layer choice to accompany you on life's chilly adventures? Reimagine everything you ever thought about insulated jackets when you try on the sleek, not-too-bulky fit of the award-winning Patagonia Women's Nano Puff Jacket. Warm, windproof and water-resistant, the Nano Puff Jacket features toasty, remarkably lightweight and compressible 60-g Primaloft® Gold Insulation for supreme warmth without the bulk. With the ability to pack down into its own pocket, this jacket remains one of the most versatile insulated mid-layer options on the market.