Three Thicknesses. Four Seasons. One Reliable Bag.
The JUNGLE KING CY660 White Duck Down Mummy Sleeping Bag is built for adventurers who want versatility without sacrificing warmth. Filled with premium white duck down and rated from -10°C to -20°C, this bag handles everything from crisp spring mornings to deep winter nights — and with three fill weight options, you can choose exactly how much warmth you need.
Whether you're trekking through mountain trails, setting up a base camp, or traveling light, the CY660 packs down small and delivers big when the temperature drops.
Why Campers & Hikers Choose the CY660
- Premium White Duck Down Fill — Excellent warmth-to-weight ratio with natural loft and comfort
- 3 Fill Weight Options — Choose 1200g, 1500g, or 1800g to match your conditions
- 4-Season Rated — Comfortable from -10°C to -20°C across spring, autumn, and winter
- Mummy-Style Design — Contoured fit locks in heat and eliminates cold spots
- Durable Nylon Shell — Lightweight and packable for camping, hiking, and travel
- Standard Length Fit — Suits heights up to 5'11" (1.8m)
- Splicing Single Bag Compatible — Can be zipped together with a second bag
Specifications
- Brand: JUNGLE KING (Model CY660)
- Dimensions: 210 x 80 cm
- Fill: White Duck Down (1200g, 1500g, or 1800g)
- Shell: Nylon
- Temperature Rating: -10°C to -20°C
- Style: Mummy
- Season: 4-Season (Spring, Autumn, Winter)
- Colors: Orange, Fruit Green, Army Green, Grey
- Weight: 1.55 kg