4-Season Envelope Sleeping Bag | Waterproof & Portable Outdoor Sleeping Bag
Product Overview
This versatile 4-season envelope sleeping bag is engineered for all-round outdoor and indoor use. Adopting premium tear-proof polyester fabric and high-density hollow cotton filling, it delivers stable warmth, excellent comfort and long-lasting durability. Featuring adjustable ventilation and compact compressible design, it suits different temperature scenarios and portable travel needs.
Core Features
Durable Waterproof & Skin-Friendly Warm Design Built with 190T tear-resistant polyester outer shell with waterproof treatment, effectively blocking moisture and resisting wear. Filled with high-quality hollow cotton to lock internal warmth steadily. The inner 190T polyester pongee lining is ultra-soft, skin-friendly and breathable, ensuring cozy and restful sleeping experience all night.
Adjustable 4-Season Temperature Adaptation Available in multi-temperature versions for year-round use. Equipped with elastic straps for enhanced warmth in cold conditions and a bottom zipper for improved foot ventilation on hot days, allowing free adjustment according to personal comfort. - Summer type: Comfort temperature above 25°C - Spring & Autumn type: Comfort temperature 10°C ~ 20°C - Winter type: Comfort temperature 0°C ~ 10°C
Ultra-Compact & Portable Design Comes with a dedicated compression storage bag with two fastening straps. The sleeping bag can be compressed to half its original volume for space-saving storage. Lightweight and compact enough to fit in or hang on backpacks, perfect for camping, hiking, traveling and emergency use.
Product Specifications
Brand: Sponge Traveller Type: 4-Season Envelope Sleeping Bag Dimension: 220 x 75cm / 86" x 29" Net Weight: 0.8kg / 1.8lbs Color: Black, Green Outer Fabric: 190T Anti-Tear Polyester Lining Fabric: 190T Soft Polyester Pongee Filling: High-elastic Hollow Cotton





