Sea To Summit Trailhead Synthetic Sleeping BagThe perfect feature packed, value oriented synthetic bag for weekend warriors and new campers, our Trailhead is no slouch when it comes to performance. Its tapered rectangular shape provides more space and comfort than a traditional mummy bag while the 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. Our unique WaveLoft