Warm, windproof, water-resistant—the updated Nano Puff Bivy uses warm, incredibly lightweight and highly compressible 60-g PrimaLoft Gold Insulation Eco with 55% post-consumer recycled content, wrapped in a 100% recycled polyester Pertex Quantum ECO shell and liner.
Features
Shell and liner fabric is lightweight, 100% recycled polyester ripstop Pertex Quantum ECO with Y-shaped filament technology; with a DWR (durable water repellent) finish
The most thermally efficient synthetic insulation available now with 55% post-consumer recycled content, 60-g PrimaLoft Gold Insulation Eco is water-repellent, highly compressible and maintains 98% of warmth, even when wet
Brick quilting pattern with horizontal quilt lines on side panels stabilizes insulation and uses durable thread for abrasion resistance
Venting center-front zipper has wicking interior storm flap and zipper garage at chin for next-to-skin comfort
Kangaroo-style handwarmer pocket and zippered drop-in torso pocket doubles as a stuffsack with a reinforced carabiner clip-in loop
Under-the-helmet hood with elastic binding is warm and simple
Elastic bound cuffs and drawcord-adjustable hem seals in warmth
Going light can work wonders, and a little security can stoke the fire when ambition outpaces the setting sun. For stuck-in-the-dark belays and minimalist bivouacs, our updated Nano Puff Bivy Pullover is light, windproof, warm and has the pared-down features that help shift the odds in your favor. The water-repellent, compressible 60-g PrimaLoft Gold Insulation Eco—now with 55% post-consumer recycled content, and still the most thermally efficient synthetic insulation available—has a superb warmth-to-weight ratio and maintains 98% of its warmth, even when wet. The interlocking fibers of the lightweight, 100% recycled polyester Pertex Quantum ECO shell and liner fabrics block wind, shed moisture and enhance the DWR (durable water repellent) performance. When the going gets cold(er), the kangaroo-style handwarmer pocket and a close-fitting, under-helmet hood with elastic binding bumps up the comfort level. The zippered drop-in torso pocket doubles as a stuffsack with a reinforced carabiner clip-in loop. With a deep venting center-front zipper, elastic bound cuffs and a drawcord-adjustable hem.
Materials
Shell and lining: 1.4-oz 22-denier 100% recycled polyester Pertex Quantum ECO with Y-shaped filament technology; with a DWR (durable water repellent) finish

Insulation: 60-g PrimaLoft Gold Insulation Eco 100% polyester (55% post-consumer recycled content)

Fabric is bluesign approved


Weight
354 g (12.5 oz)