evo.com | Patagonia Midlayer Vests > Stop-and-go mountain days are made for the Patagonia Nano-Air Light Vest. Stretchy, air-permeable 40-g FullRange(R) insulation dumps heat on the climb and holds warmth when you stop, all inside a recycled polyester ripstop shell that moves with you. Zip it on at the trailhead and leave it on. Regular Fit Neither slim nor oversized. Regular-fitting technical garments may be worn over heavier midlayers. 30-Denier 100% Recycled Polyester Air-Permeable Stretch Shadow Ripstop 1.6-oz lining with a DWR finish made without intentionally added PFAS. 40-g FullRange(R) 100% Recycled Polyester Insulation Bluesign(R) Approved Material 30-Denier 100% Recycled Polyester Air-Permeable Stretch Ripstop 2-oz shell with a durable water repellent (DWR) finish made without intentionally added PFAS. | Patagonia Nano-Air Light Vest Men's 2027 - 2X-Large Blue | Polyester