Kelty Cosmic 0° Sleeping Bag – Regular | 550 Down, Cold Weather Insulation for Backpacking

Overview

The Kelty Cosmic 0° sleeping bag blends warmth, weight efficiency, and durability for cold-weather backpacking. Built for rugged nights in the backcountry, it balances generous warmth with a compact profile, so you can focus on the trail ahead.

Key warmth and comfort features

• Trapezoidal baffle construction helps minimize cold spots and improve overall thermal efficiency.
• Lofty, lightweight 550-fill down delivers warmth without adding bulk, supporting easy packing and comfortable nights.
• Buttery-soft, durable shell and liner fabrics are fully recycled and finished with PFAS-free DWR for water resistance.
• Internal stash pocket keeps small essentials like a phone or flashlight within arm’s reach during late-night tent routine.

Draft collars for heat retention

• 0° full draft collar acts as a seal against drafts at the neck, helping to retain body heat.
• 20° upper draft collar adds an extra layer of warmth where you need it most on chilly evenings.

Practical use and versatility

Designed for cold-weather adventures, late-fall trips, and winter overnights, the Cosmic 0° sleeping bag is built to travel with you from trailhead to bivy. Its smart construction supports efficient packing and reliable warmth while staying comfortable through long nights in unpredictable conditions.

Care and maintenance are straightforward: wash according to label directions and store loosely to maintain loft. The combination of recycled fabrics and down insulation offers a thoughtful balance of performance and sustainability without compromising functionality.

Two quick benefits at a glance

• Warmth potential paired with a lighter, pack-friendly design
• Sustainable fabrics and down insulation crafted for repeated outdoor use