Greystone 0 650 DownTek Sleeping Bag

For three-season and shoulder-season backpackers who camp where temps drop hard, the Greystone 0 is our pick when zero-degree nights are on the forecast. 650-fill RDS-certified DownTek down resists moisture and holds its loft even when humidity or condensation set in — a real advantage in the Southeast. Available in Regular and Long left-zip cuts so the bag actually fits.

• Rated to 0°F — built for cold shoulder-season and three-season backcountry trips where temps drop below freezing
• 650-fill DownTek-treated down resists moisture and maintains loft in humid or damp conditions, so you stay warm even when condensation builds inside the tent
• RDS-certified down means the supply chain is traceable and humane — ethically sourced without sacrificing insulation performance
• Left-zip configuration available in Regular and Long lengths for a dialed fit with less dead air space to heat up
• Cherry Tomato/Rooibos Tea colorway makes it easy to spot your bag in a dark tent or crowded gear pile at the trailhead