The men's Kyan™ ultralight backpacking mummy has set a stake in the ground, defining the high-end premium synthetic sleeping bag. Our patent-pending FeatherCore™ construction, made with premium Primaloft® insulation, is a revolution in insulation, offering ultra-compressibility without sacrificing warmth. This completely new take on insulation construction packs down significantly smaller, providing all the benefits of synthetic insulation at the same pack size as 650FP down. Coupled with an aggressive shape and a full suite of features, these bags are the new ultralight go-to.
The thermally efficient shape and apparel-like hood retains warmth when you need it, and Thermo Gills™ help regulate temperature when too hot. A full-length YKK zipper with snagless baffle construction seals the deal.
Patent-pending FeatherCore™ constructionsuppresses airflow to increase heat retention and increases compressibility for a packed size similar to down.
PremiumPrimaloft™ Silver synthetic insulationoffers the best blend of warmth retention, moisture resistance, and packed volume.
A fabric set of20D Nylon Ripstopand30D Nylon Taffetais ultra-plush for a supreme sleep experience.
For greater sustainabilityPrimaloft™ Silver synthetic insulationcontains 70% post-consumer recycled content.
Thermo Gills™allow you to vent body heat without letting cold drafts in.
Full-length YKK zipperwith snagless baffle construction and draft tube seals warm air in.
Tailored, thermally efficient patterningincreases warmth and comfort, yet reduces weight.
Agenerous apparel-like hoodoffers more heat retention.