Details Sea to Summit Trailhead ThIII Synthetic Sleeping Bag A well featured, no-fuss synthetic sleeping bag; the Trailhead™ ThIII is a great value choice for weekend warriors and new campers. The tapered rectangular shape provides more space and comfort than a traditional mummy bag while a full-length side and foot zip allows the bag to be opened out and used as a quilt. A second zip slider in the footbox provides extra ventilation and versatile temperature adjustment. The unique WaveLoft™ construction uses thick layers of insulation looped together to gain extra loft and trap pockets of warm air, providing increased warmth in colder conditions. The baffle construction also eliminates the frustration of getting tangled in loose lining, as all lining fabrics are attached to the shell fabric. Tapered rectangular shape for more space and comfort than a traditional mummy bag Full length #5 YKK zip allows bag to open out flat and be used as a quilt Second zip slider in footbox for versatile ventilation WaveLoft™ construction for extra warmth and loft Lining fabrics attached to shell prevents tangles Oversized zip draft tubes with anti-snag 30D DWR Nylon shell and 20D Nylon lining are lightweight and very compressible fabrics Includes stuff sack TrailheadSizeWeightTemperature ratingWidth(shoulder)Width (footbox)Max user heightCompressionsack volume ThIII Regular 1370 g EN -1°c Comfort to -7°c Lower 76 cm 51 cm 183 cm 15 L ThIII Long 1530 g EN -1°c Comfort to -7°c Lower 81 cm 54 cm 192 cm 20 L // Specifications Trailhead ThIII Sleeping Bag