Known for its high quality sleeping pads, Thermarest is also an expert sleeping bag manufacturer. This bag is a sure-fire choice for three season use. Those sleeping on their backs benefit from its SynergyLink straps which help keep the bag and pad aligned. Thanks to modern impregnation technology, the down fill of this bag absorbs 90% less moisture and dries three times faster than unimpregnated ones. - Long size: suits users up to 198 cm - Shoulder circumference: 168 cm, hip circumference 163 cm, foot box circumference 130 cm - Fill amount: 610 g - Fill power 650 duck down, Nikwax Hydrophobic Down impregnated - Responsible Down Standard certified - W.A.R.M. shaping enables the bag to keep its loft regardless of sleeping position - Surface fabric: 20 denier polyester with dwr - Liner fabric: 20 denier polyester taffeta - Draft tube under the insulation tube - Thermal collar - External zippered pocket - "Toe-asis" pocket at the foot end for warming up your feet You'll receive a st