evo.com | Patagonia Insulated Jackets > The Patagonia Nano-Air Light Jacket is a backcountry midlayer optimized to last the whole trip, from the beginning of the uphill to the end of the down. Constructed with synthetic, recycled polyester fabric and insulation, the Nano-Air is breathable, warm, and water-resistant without weighing you down. Shell 2-oz 30-Denier 100% Recycled Polyester Air-Permeable Stretch Ripstop 40-g FullRange(R) Migration-Resistant Insulation 100% Recycled Polyester Lining 1.6-oz 30-Denier 100% Recycled Polyester Air-Permeable Stretch Shadow Ripstop Two Zippered Handwarmer Pockets Regular Fit Neither slim nor oversized. Regular-fitting technical garments may be worn over heavier midlayers. | Patagonia Nano-Air Light Jacket Men's 2027 - X-Large Black | Polyester