evo.com | Patagonia Midlayer Vests > The Patagonia Nano Puff Vest is like a personal heater for your torso, no sleeves, no nonsense, just core warmth on demand. It's so light and packable, you might forget you're wearing it... until someone says, "Whoa, nice vest." Center Front Zipper Wicking interior storm flap and zipper garage at chin for next-to-skin comfort. Lining 1.3-oz 100% recycled polyester ripstop with a DWR finish Shell 1.4-oz 20-denier 100% recycled polyester ripstop with a durable water repellent (DWR) finish Regular Fit Neither slim nor oversized. Regular-fitting technical garments may be worn over heavier midlayers. Brick Quilting Pattern Horizontal quilt lines on side panels stabilizes insulation and uses durable thread for abrasion resistance. | Patagonia Nano Puff Vest Men's 2026 - X2X-Large Brown Size 3X-Large | Polyester