Rab have upgraded all their brilliant sleeping bags for the 2014 season with Hydrophobic Down. This flurocarbon free treatment was developed in conjunction with Nikwax & although Hydrophobic Down is not waterproof it dries much faster, absorbs less water & retains loft far better than untreated down. The Expedition 1200 is designed to withstand the harshest weather & is protected with an outer fabric of Pertex Endurance providing good water resistance combined with excellent breathability & durability. The lining is Pertex Microlight with high wicking properties &, as the name suggests, very low weight & bulk. The hood & foot area is lined with Pertex Endurance to minimise damage from wear & also reduce water take up from wet boots & clothing. Insulation is provided by 1200g of 850 fill power superior quality Hydrophobic European Grey Goose Down, yes you read correctly, 1200g of mega down! This amazing down is held in place with the use of longitudinal baffles which stops the down migrating to the sides of the bag. These longitudinal baffles are also trapezoid in shape resulting in a very stable structure & consistent distribution of down throughout the bag. The outer & inner walls of the baffles benefit from differential cut, which allows for specific fill weights & fill power by maximising natural loft resulting in greater performance. Expedition sleeping bags are sized larger to accommodate bulky clothing & make entry & exit easier. Temperature ratings are used to indicate a bags performance but are subjective & can be hugely affected by many factors such as your health & metabolism, how much you have had to eat or drink, how active you have been, humidity & altitude, the type of shelter used & whether you are using a suitable insulating mat. Your sleeping bag is only as good as the mat that’s beneath it; we recommend EXPED and Therma Rest mats for comfort & insulation. The Comfort rating indicates the range at which a woman gets a full night’s sleep; the Limit of Comfort rating indicates the range at which a man gets a full night’s sleep & the Extreme rating indicates a range at which a woman is protected from hypothermia. The Extreme rating is basically a survival rating & it is not advisable to rely on this for general use. Pertex Endurance outer fabric Pertex Microlight inner fabric Pertex Endurance inner fabric in hood & foot 850FP European Goose Down Rab fluorocarbon free Hydrophobic Down developed in conjunction with Nikwax enhanced close fitting neck baffle design Longitudinal chest baffles with internal Flowgate technology to control down Face baffle for enhanced hood fit Mummy shape Longitudinal foot baffles to minimise down migration Proportionally assigned differential cut Internal YKK 3 coil zipped stash pocket Down clothing compatible (larger internal lining than other Rab sleeping bags) ¾ length YKK 5 coil main zip Left hand zip only Anti snag zipper webbing tape Internal collar & hood drawcord Trapezoidal baffle chamber design Angled foot box Internal drawcords Dry bag compression stuff sack Cotton storage sack Hand filled in Derbyshire UK