The Sea to Summit Spark women's sleeping bag is designed for ultralight backpackers seeking to minimize pack weight without compromising warmth or comfort. Weighing just 15.2 ounces (45 degrees F) and ...

Mountain Equipment Xenith II, Big Agnes Lost Ranger 3N1, and Sea to Summit Spark Down Sleeping Bag are among the best sleeping bags of 2025. When combined with a pad (which offers an insulating ...

Sea to Summit’s Spark sleeping bags are the lightest and most packable in the brand’s entire range. Designed to deliver versatile warmth on adventures where weight and pack size are at a premium, they ...

The lightest, smallest high-performance sleeping bag you can buy? This new S ea To Summit Spark SP1 weighs just 12.3 oz and packs down to the size of a grapefruit. Here’s the world-first review. What ...

Australia's Sea to Summit has a three-decade history of creating lightweight, compact and high-performance gear for travel and outdoor sport. It offers virtually every camp sleeping product you can ...

A good night’s sleep on the trail can influence how much you enjoy the rest of your trip, and the right sleeping bag, along with your tent and sleeping pad, is essential to making that possible.