The best warmth to weight ratio in the Rab range. Optimum warmth for minimum weight for the ultra light-weight mountain activist. Rab Mythic 200 Sleeping Bag Features: Pertex Quantum 7 Denier Inner and Outer 900 Fill Power R.D.S Certified European Goose Down Rab Fluorocarbon Free Hydrophobic Down Weight Saving Baffle Construction Trapezoidal Baffle Chamber Design Mummy Taper Shape Length YKK 3 Coil Main Zip itwh Noctilucent Puller Anti-Snag Bonded Zip Guard Ergonomically Designed Internal Collar Internal Collar and Hood Drawcord Super Light-Weight Trims and Features Angled Foot Box Cotton Storage Sack European Standard EN13537:2016 Temperature Comfort Rating 6C Rab Sleep Rating Limit 1C Left Zip Only Weight Approx 475g