Embark on your next adventure with the STS - Sea to Summit Basecamp Down Sleeping Bag—engineered for comfort, warmth, and versatility.

Designed with vehicle-based explorers, campers, and van life enthusiasts in mind, the Basecamp Down Sleeping Bag offers a spacious, semi-rectangular fit for a feel-good night’s rest wherever your journey takes you. The generous design accommodates your favorite pillow and provides plenty of room to move, making it ideal for those who appreciate extra space.

Premium 650+ loft, RDS-certified duck down is responsibly sourced and treated with a non-PFAS Ultra-Dry Down finish, ensuring rapid drying and enhanced moisture resistance, even in challenging conditions—perfect for cooler nights in the backcountry.

The innovative Free Flow zip system allows for versatile ventilation options. Open the top third as a blanket, or wrap up in maximum warmth when temperatures drop. The bag features a large, oversized hood to optimize heat retention and a fitted collar that eliminates drafts.

Constructed with box-wall and vertical baffles throughout, the bag minimizes cold spots and keeps the insulation where it’s needed most. The 20D polyester shell and lining offer lightweight breathability, while the durable zippers and synthetic-filled draft tubes ensure easy, snag-free operation.

With a lower temperature rating of 15°F | -9°C, and a comfort rating around -4°C, this sleeping bag is suitable for three-season use. Its compact packed size and lightweight design make it easy to transport, yet uncompromising in comfort and warmth.

Certified to the Responsible Down Standard (RDS), this sleeping bag reflects Sea to Summit’s commitment to ethical sourcing and animal welfare. The non-PFAS DWR shell helps keep you dry, and the easy-care bag remains comfortable through countless adventures.