BLACK ICE Duck Down B400 Sleeping Bag

Engineered for spring and autumn use, the BLACK ICE B400 balances warmth and packability. Crafted with 650+ fill power grey duck down, Teflon™-treated water-repellent down, and 20D ripstop nylon, this sleeping bag offers optimal insulation and moisture resistance, making it perfect for various outdoor conditions. The innovative graphene conductive lining provides anti-static performance, infrared heat retention, and antibacterial properties, ensuring maximum comfort and hygiene.

 Key Features & Benefits

✅ High-Quality 650+ Fill Power Grey Duck Down – Offers excellent loft and insulation, keeping you warm even in extreme cold.

✅ Teflon™-Treated Water-Resistant Down – Reduces moisture absorption, keeping the down dry and lofted for extended warmth.

✅ Durable 20D Nylon Shell – Windproof and water-repellent GRAMART® ripstop fabric enhances protection in harsh conditions.

✅ Graphene Conductive Lining – Provides far-infrared heat retention, anti-static properties, and antibacterial protection, reducing odor buildup.

✅ Thermal-Efficient Design – Features a draft collar, 3D footbox, and wind-blocking baffles for superior heat retention.

✅ Two-Way YKK® Zipper – Durable and easy to adjust, allowing ventilation control and easy entry/exit.

✅ Interconnectable Design – Different zipper orientations allow two sleeping bags to zip together, creating a double sleeping system.

✅ Compact & Lightweight – Packs down small for easy transport and storage, ideal for backpacking and camping.

Temperature Ratings

Medium: 75*195cm

Large: 80*205cm

• Comfort Temp: 13°C | Limit Temp: 7°C

• Weight: 720g (M) / 740g (L)

• Pack Size: 33 × 17 cm (~7L)

• Graphene-lined for improved heat retention

• Mummy shape and draft collar for thermal efficiency

*Pack size varies depending on how tightly the sleeping bag is compressed.

Product Specifications

• Brand: BLACK ICE
• Fill Material: 650+ Fill Power Water-Resistant Grey Duck Down
• Fill Weight: 200g - 1500g (varies by model)
• Outer Fabric: 20D Ripstop Nylon with DWR Treatment
• Lining: Graphene Conductive Anti-Static & Antibacterial Fabric
• Zipper: YKK® Dual-Sided for Convenience & Interconnectivity
• Available Colors: Black, Gray, Blue, Orange
• Packing Size: Varies by model (Compact Compression Sack Included)