Light, warm, comfortable and most importantly, adaptable. The Ascent™ is our sleeping bag of choice for most adventures, most of the time. Offering the perfect backpacking balance of comfort vs weight, our Ascent™ Series sleeping bags have more space than traditional mummy sleeping bag, yet still provide the thermal efficiency you need when exploring above the tree-line.

Technical features

Features

• Tapered rectangular shape for perfect balance of space and adaptable warmth
• Super-light 20D Nylon shell and lining fabrics for minimal packed size and maximum breathability
• ULTRA-DRY Down 750+ Loft 90% Down Cluster Premium Duck Down certified Responsible Down Standard (RDS)
• Vertical chest baffles prevent down migration and cold spots
• Free-Flow half right side, full length two-way #5 YKK left side and separate foot zips for freedom of movement, increased ventilation and dual-use as a quilt
• Oversized draft tube with anti-snag materials, prevents heat loss through zipper
• Oversized neck draft tube with a dual adjustment system for even cinching and maximum warmth
• Generously sized hood and dual cord adjustment for maximum warmth retention
• Anatomically shaped footbox allows maximum down lofting, minimising heat loss from your feet
• Large internal security pocket
• Includes Ultra-Sil™ Compression Bag for compact storage
• Zip Coupling: This bag can be zipped to the Sea to Summit Women’s Altitude, Journey and Venture sleeping bags