Eco-Friendly Insulated Vest.. The women's NANO PUFF Vest by Patagonia delivers lightweight warmth in a minimalist style. Padded with packable 60-g Prima Loft Gold Insulation Eco, it features 55% post consumer recycled content and an excellent warmth-to-weight ratio. The insulation is wrapped in an interlocking, abrasion-resistant and water-repellent shell. Wear the Nano Puff over a base layer or under a shell for mid-season adventures. • Recycled Ripstop polyester shell & lining. • Hydrophobic 60-g Prima Loft Gold Insulation. • Durable water-repellent finish. • Innovative brick quilting. • Windproof. • Front zip with interior storm flap & garage. • Zippered handwarmer pockets. • Internal chest pocket doubles as stuff sack. • Carabiner loop. • Elastic bound arm cuffs, drawcord at hem. • Avg. weight: 207g. • Eco-friendly bluesign-approved fabric….