Make hammock camping a year-round activity with the Ember UnderQuilt. Lightweight, insulated and made to resist moisture while locking in warmth, the Ember lets you experience the outdoors in comfort. This synthetic-filled UnderQuilt is thoughtfully designed to add an extra layer of protection to the bottom and sides of your hammock. Adjustable shock cords on each side help to minimize setup time while maximizing time spent nestled in toasty goodness. Combat cold snaps by pairing with the Spark TopQuilt for a 40-50-degree temperature rating.