The 30D PertexA(R) Quantum fabric is soft and easily packable, with a lightweight, tightly woven construction that enables the down to fully loft. The down-filled neck and zip baffles help seal in the warmth and the internal stash pocket is ideal for your keys, wallet, phone and torch. Weighing 1200g, with a lower limit of 5AdegC (41AdegF), it comes with a compression sack for an easy carry and a cotton sack to help preserve its integrity during long periods in storage. Pertex Quantum outer is soft and packable Stratus synthetic insulation used in the neck baffle to seal in warmth L-shaped main zip with down filled baffle to trap warmth YKK zipped internal stash pocket Hand filled in Derbyshire UK Can be used as a sleeping bag, or opened into a quilt Left and right hand bags can zip together Compression stuff sack included Zipped storage sack with water-resistant base for home storage Main - Recycled 30D polyamide/ Pertex Quantum/ 50 gsm/ fluorocarbon free DWR 650FP European Duck Down with Nikwax Fluorocarbon-Free Hydrophobic Finish (300g / 10.6oz) Features Weight - 35.3oz/1000g Insulation - 650FP European duck down with Nikwax fluorocarbon-free hydrophobic finish (10.6oz / 300g) Rab sleep limit - 41AdegF / 5AdegC Packed size - 13.8in x 7.9in (35cm x 22cm) Material Facts Recycled PFAS Total content 64% No Fabric 100% No Outer 100% No Liner 100% No Hydrophobic down 0% No Zips 43% No Trims 6% No Renewable energy Product manufacturing 64% Manufactured in United Kingdom *Calculations based upon the weight of a regular length sleeping bag.