20D 400T nylon Made in the USA ULTRA UPGRADES: Classic Cosmic get’s an upgrade. New for 2021, the Cosmic Ultra features premium 800 Fill power Dridown insulation. 800 Fill is among the highest rating achievable, and represents a top line warmth to weight ratio of the down. TRAPEZOIDS, MAN: Turns out this funky shape is ideal for helping sleeping bags retain heat. Trapezoidal baffle construction improves our best selling Cosmic sleeping bag for 2021. Fan favorite and campsite staple with improved Thermal Efficiency GET DOWN: Light, compressible, warm to boot; what’s not to love about Down Fill? The Cosmic Ultra features 800 fill Kelty treated DriDown insulation, with sustainably sourced materials that are easy to pack, use, dry, and keep your buns toasty. DUAL ZIPPERS: Two sliding, locking zippers with anti-snag draft tube - unzip from the bottom to stick a foot out and self-regulate heat while enjoying mummy-bag comfort. Zippered internal stash pocket for cell phone or headlamp KELTY QUALITY: Good craftsmanship speaks for itself. Since 1952 Kelty has designed and manufactured quality, useful, and durable goods for the everyman (and woman) seeking to enjoy life outside. Headquarters in Colorado, USA