With its L-shaped zip and rectangular design, the bag can function as a down-filled duvet or be zipped together with another sleeping bag, providing ample space for two people. The 650FP duck down is treated with a Nikwax® hydrophobic coating to enhance moisture resistance, while the 30D Pertex® Quantum trapezoidal boxwall construction allows the down to loft more fully, offering better warmth. Perfect for the campfire, camper van, or a staycation tent, the square cut provides ample room for feet movement, and the zipped internal pocket is ideal for quick-access valuables. For added convenience, the product comes with two stuff sacks—one for compact carrying and the other for lofted storage at home. Features The Pertex Quantum outer fabric is soft and easily packable. The trapezoidal boxwall construction helps maximise loft and warmth. Stratus synthetic insulation is used in the neck baffle to retain warmth. The L-shaped main zip, with a down-filled baffle, traps warmth inside. The YKK zipped internal stash pocket keeps small valuables secure. The bag is hand-filled in Derbyshire, UK. It can be used as a sleeping bag or unfolded into a quilt. Left and right-hand bags can be zipped together for shared use. A compression stuff sack is included for compact storage. The zipped storage sack features a water-resistant base for home storage. The 650FP European Duck Down, treated with Nikwax Fluorocarbon-Free Hydrophobic Finish, weighs 500g (17.6oz). Sustainability Features Fluorocarbon (PFAS) free fabric Fluorocarbon (PFAS) free product Greater than 50% recycled materials Made with renewable energy Specifications Weight 1230 g / 43.4 oz EN (13537:2012) temperature rating EN: Comfort 7°C (44.5°F), Limit 2°C (35.5°F), Extreme -16°C (3°F) Rab sleep limit 0°C / 32°F Packed size 37 cm x 24 cm (14.5 in x 9.4 in) Material Facts Main: Recycled 30D polyamide/ Pertex Quantum/ 50 gsm/ fluorocarbon free DWR Insulation: 650FP European Duck Down with Nikwax Fluorocarbon-Free Hydrophobic Finish (500g / 17.6oz) Size Guide Sleeping bag length 220 cm / 86.6 in Max user height 190 cm / 74.8 in Internal shoulder girth 160 cm / 63.0 in Internal hip girth 160 cm / 63.0 in Internal foot girth 160 cm / 63.0 in Pack size 37 cm x 24 cm Technology Pertex® Quantum A lightweight and soft windproof fabric designed to promote full lofting of insulation. Compact and protective, it is perfectly suited for mountain pursuits. Hydrophobic down All of their down is treated with a hydrophobic coating that helps it maintain its loft in damp conditions, ensuring that the gear dries quickly and remains warm. Learn more about how it works.*This does not apply to their 1000FP down. Video